11da177e4SLinus Torvaldsconfig MIPS 21da177e4SLinus Torvalds bool 31da177e4SLinus Torvalds default y 440e084a5SRalf Baechle select ARCH_SUPPORTS_UPROBES 5a862a426SMark Salter select ARCH_MIGHT_HAVE_PC_PARPORT 6393c1262SMark Salter select ARCH_MIGHT_HAVE_PC_SERIO 75fac4f7aSPaul Burton select ARCH_USE_CMPXCHG_LOCKREF if 64BIT 81ee3630aSRalf Baechle select ARCH_USE_BUILTIN_BSWAP 9c3fc5cd5SRalf Baechle select HAVE_CONTEXT_TRACKING 10f8ac0425SYoichi Yuasa select HAVE_GENERIC_DMA_COHERENT 11ec7748b5SSam Ravnborg select HAVE_IDE 1242d4b839SMathieu Desnoyers select HAVE_OPROFILE 137f788d2dSDeng-Cheng Zhu select HAVE_PERF_EVENTS 147f788d2dSDeng-Cheng Zhu select PERF_USE_VMALLOC 1588547001SJason Wessel select HAVE_ARCH_KGDB 16490b004fSMarkos Chandras select HAVE_ARCH_SECCOMP_FILTER 17c0ff3c53SRalf Baechle select HAVE_ARCH_TRACEHOOK 183f5fdb4bSMarkos Chandras select HAVE_BPF_JIT if !CPU_MICROMIPS 19d2bb0762SWu Zhangjin select HAVE_FUNCTION_TRACER 20538f1952SWu Zhangjin select HAVE_DYNAMIC_FTRACE 21538f1952SWu Zhangjin select HAVE_FTRACE_MCOUNT_RECORD 2264575f91SWu Zhangjin select HAVE_C_RECORDMCOUNT 2329c5d346SWu Zhangjin select HAVE_FUNCTION_GRAPH_TRACER 24c1bf207dSDavid Daney select HAVE_KPROBES 25c1bf207dSDavid Daney select HAVE_KRETPROBES 26fb59e394SRalf Baechle select HAVE_SYSCALL_TRACEPOINTS 27b69ec42bSCatalin Marinas select HAVE_DEBUG_KMEMLEAK 281d7bf993SRalf Baechle select HAVE_SYSCALL_TRACEPOINTS 292b68f6caSKees Cook select ARCH_HAS_ELF_RANDOMIZE 30383c97b4SBen Hutchings select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT 3130ad29bbSHuacai Chen select RTC_LIB if !MACH_LOONGSON64 322b78920dSDeng-Cheng Zhu select GENERIC_ATOMIC64 if !64BIT 337463449bSCatalin Marinas select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE 3448e1fd5aSDavid Daney select HAVE_DMA_ATTRS 35f4649382SZubair Lutfullah Kakakhel select HAVE_DMA_CONTIGUOUS 3648e1fd5aSDavid Daney select HAVE_DMA_API_DEBUG 373bd27e32SDavid Daney select GENERIC_IRQ_PROBE 38f8396c17SThomas Gleixner select GENERIC_IRQ_SHOW 3978857614SMarkos Chandras select GENERIC_PCI_IOMAP 4094bb0c1aSDavid Daney select HAVE_ARCH_JUMP_LABEL 41c1d7e01dSWill Deacon select ARCH_WANT_IPC_PARSE_VERSION 420f462e3cSThomas Gleixner select IRQ_FORCED_THREADING 439d15ffc8STejun Heo select HAVE_MEMBLOCK 449d15ffc8STejun Heo select HAVE_MEMBLOCK_NODE_MAP 459d15ffc8STejun Heo select ARCH_DISCARD_MEMBLOCK 46360014a3SThomas Gleixner select GENERIC_SMP_IDLE_THREAD 474b054495SDavid Daney select BUILDTIME_EXTABLE_SORT 48cde1794bSAnna-Maria Gleixner select GENERIC_CLOCKEVENTS 49929de4ccSDeng-Cheng Zhu select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC 50cde1794bSAnna-Maria Gleixner select GENERIC_CMOS_UPDATE 51786d35d4SDavid Howells select HAVE_MOD_ARCH_SPECIFIC 524febd95aSStephen Rothwell select VIRT_TO_BUS 532f12fb20SJoshua Kinard select MODULES_USE_ELF_REL if MODULES 542f12fb20SJoshua Kinard select MODULES_USE_ELF_RELA if MODULES && 64BIT 5550150d2bSAl Viro select CLONE_BACKWARDS 56d1a1dc0bSDave Hansen select HAVE_DEBUG_STACKOVERFLOW 5719952a92SKees Cook select HAVE_CC_STACKPROTECTOR 58b1d4c6caSJames Hogan select CPU_PM if CPU_IDLE 59cc7964afSPaul Burton select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST 6090cee759SPaul Burton select ARCH_BINFMT_ELF_STATE 61d79d853dSMarkos Chandras select SYSCTL_EXCEPTION_TRACE 62bb877e96SDeng-Cheng Zhu select HAVE_VIRT_CPU_ACCOUNTING_GEN 63ec9ddad3SDeng-Cheng Zhu select HAVE_IRQ_TIME_ACCOUNTING 641da177e4SLinus Torvalds 651da177e4SLinus Torvaldsmenu "Machine selection" 661da177e4SLinus Torvalds 675e83d430SRalf Baechlechoice 685e83d430SRalf Baechle prompt "System type" 695e83d430SRalf Baechle default SGI_IP22 701da177e4SLinus Torvalds 7142a4f17dSManuel Laussconfig MIPS_ALCHEMY 72c3543e25SYoichi Yuasa bool "Alchemy processor based machines" 7334adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 74f772cdb2SRalf Baechle select CEVT_R4K 75d7ea335cSSteven J. Hill select CSRC_R4K 7667e38cf2SRalf Baechle select IRQ_MIPS_CPU 7788e9a93cSManuel Lauss select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is 7842a4f17dSManuel Lauss select SYS_HAS_CPU_MIPS32_R1 7942a4f17dSManuel Lauss select SYS_SUPPORTS_32BIT_KERNEL 8042a4f17dSManuel Lauss select SYS_SUPPORTS_APM_EMULATION 81efb12436SAlexandre Courbot select ARCH_REQUIRE_GPIOLIB 821b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 8347440229SManuel Lauss select COMMON_CLK 841da177e4SLinus Torvalds 857ca5dc14SFlorian Fainelliconfig AR7 867ca5dc14SFlorian Fainelli bool "Texas Instruments AR7" 877ca5dc14SFlorian Fainelli select BOOT_ELF32 887ca5dc14SFlorian Fainelli select DMA_NONCOHERENT 897ca5dc14SFlorian Fainelli select CEVT_R4K 907ca5dc14SFlorian Fainelli select CSRC_R4K 9167e38cf2SRalf Baechle select IRQ_MIPS_CPU 927ca5dc14SFlorian Fainelli select NO_EXCEPT_FILL 937ca5dc14SFlorian Fainelli select SWAP_IO_SPACE 947ca5dc14SFlorian Fainelli select SYS_HAS_CPU_MIPS32_R1 957ca5dc14SFlorian Fainelli select SYS_HAS_EARLY_PRINTK 967ca5dc14SFlorian Fainelli select SYS_SUPPORTS_32BIT_KERNEL 977ca5dc14SFlorian Fainelli select SYS_SUPPORTS_LITTLE_ENDIAN 98377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 991b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT_UART16550 1005f3c9098SFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 1017ca5dc14SFlorian Fainelli select VLYNQ 1028551fb64SYoichi Yuasa select HAVE_CLK 1037ca5dc14SFlorian Fainelli help 1047ca5dc14SFlorian Fainelli Support for the Texas Instruments AR7 System-on-a-Chip 1057ca5dc14SFlorian Fainelli family: TNETD7100, 7200 and 7300. 1067ca5dc14SFlorian Fainelli 10743cc739fSSergey Ryazanovconfig ATH25 10843cc739fSSergey Ryazanov bool "Atheros AR231x/AR531x SoC support" 10943cc739fSSergey Ryazanov select CEVT_R4K 11043cc739fSSergey Ryazanov select CSRC_R4K 11143cc739fSSergey Ryazanov select DMA_NONCOHERENT 11267e38cf2SRalf Baechle select IRQ_MIPS_CPU 1131753e74eSSergey Ryazanov select IRQ_DOMAIN 11443cc739fSSergey Ryazanov select SYS_HAS_CPU_MIPS32_R1 11543cc739fSSergey Ryazanov select SYS_SUPPORTS_BIG_ENDIAN 11643cc739fSSergey Ryazanov select SYS_SUPPORTS_32BIT_KERNEL 1178aaa7278SSergey Ryazanov select SYS_HAS_EARLY_PRINTK 11843cc739fSSergey Ryazanov help 11943cc739fSSergey Ryazanov Support for Atheros AR231x and Atheros AR531x based boards 12043cc739fSSergey Ryazanov 121d4a67d9dSGabor Juhosconfig ATH79 122d4a67d9dSGabor Juhos bool "Atheros AR71XX/AR724X/AR913X based boards" 123ff591a91SAlban Bedel select ARCH_HAS_RESET_CONTROLLER 1246eae43c5SGabor Juhos select ARCH_REQUIRE_GPIOLIB 125d4a67d9dSGabor Juhos select BOOT_RAW 126d4a67d9dSGabor Juhos select CEVT_R4K 127d4a67d9dSGabor Juhos select CSRC_R4K 128d4a67d9dSGabor Juhos select DMA_NONCOHERENT 12994638067SGabor Juhos select HAVE_CLK 130411520afSAlban Bedel select COMMON_CLK 1312c4f1ac5SGabor Juhos select CLKDEV_LOOKUP 13267e38cf2SRalf Baechle select IRQ_MIPS_CPU 1330aabf1a4SGabor Juhos select MIPS_MACHINE 134d4a67d9dSGabor Juhos select SYS_HAS_CPU_MIPS32_R2 135d4a67d9dSGabor Juhos select SYS_HAS_EARLY_PRINTK 136d4a67d9dSGabor Juhos select SYS_SUPPORTS_32BIT_KERNEL 137d4a67d9dSGabor Juhos select SYS_SUPPORTS_BIG_ENDIAN 138377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 139da628e8bSAlban Bedel select SYS_SUPPORTS_ZBOOT 14003c8c407SAlban Bedel select USE_OF 141d4a67d9dSGabor Juhos help 142d4a67d9dSGabor Juhos Support for the Atheros AR71XX/AR724X/AR913X SoCs. 143d4a67d9dSGabor Juhos 1445f2d4459SKevin Cernekeeconfig BMIPS_GENERIC 1455f2d4459SKevin Cernekee bool "Broadcom Generic BMIPS kernel" 146d666cd02SKevin Cernekee select BOOT_RAW 147d666cd02SKevin Cernekee select NO_EXCEPT_FILL 148d666cd02SKevin Cernekee select USE_OF 149d666cd02SKevin Cernekee select CEVT_R4K 150d666cd02SKevin Cernekee select CSRC_R4K 151d666cd02SKevin Cernekee select SYNC_R4K 152d666cd02SKevin Cernekee select COMMON_CLK 15360b858f2SKevin Cernekee select BCM7038_L1_IRQ 15460b858f2SKevin Cernekee select BCM7120_L2_IRQ 15560b858f2SKevin Cernekee select BRCMSTB_L2_IRQ 15667e38cf2SRalf Baechle select IRQ_MIPS_CPU 15760b858f2SKevin Cernekee select DMA_NONCOHERENT 158d666cd02SKevin Cernekee select SYS_SUPPORTS_32BIT_KERNEL 15960b858f2SKevin Cernekee select SYS_SUPPORTS_LITTLE_ENDIAN 160d666cd02SKevin Cernekee select SYS_SUPPORTS_BIG_ENDIAN 161d666cd02SKevin Cernekee select SYS_SUPPORTS_HIGHMEM 16260b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS32_3300 16360b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4350 16460b858f2SKevin Cernekee select SYS_HAS_CPU_BMIPS4380 165d666cd02SKevin Cernekee select SYS_HAS_CPU_BMIPS5000 166d666cd02SKevin Cernekee select SWAP_IO_SPACE 16760b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 16860b858f2SKevin Cernekee select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 16960b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN 17060b858f2SKevin Cernekee select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 171d666cd02SKevin Cernekee help 1725f2d4459SKevin Cernekee Build a generic DT-based kernel image that boots on select 1735f2d4459SKevin Cernekee BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top 1745f2d4459SKevin Cernekee box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN 1755f2d4459SKevin Cernekee must be set appropriately for your board. 176d666cd02SKevin Cernekee 1771c0c13ebSAurelien Jarnoconfig BCM47XX 178c619366eSFlorian Fainelli bool "Broadcom BCM47XX based boards" 1792da4c74dSHauke Mehrtens select ARCH_WANT_OPTIONAL_GPIOLIB 180fe08f8c2SHauke Mehrtens select BOOT_RAW 18142f77542SRalf Baechle select CEVT_R4K 182940f6b48SRalf Baechle select CSRC_R4K 1831c0c13ebSAurelien Jarno select DMA_NONCOHERENT 1841c0c13ebSAurelien Jarno select HW_HAS_PCI 18567e38cf2SRalf Baechle select IRQ_MIPS_CPU 186314878d2SMarkos Chandras select SYS_HAS_CPU_MIPS32_R1 187dd54deddSHauke Mehrtens select NO_EXCEPT_FILL 1881c0c13ebSAurelien Jarno select SYS_SUPPORTS_32BIT_KERNEL 1891c0c13ebSAurelien Jarno select SYS_SUPPORTS_LITTLE_ENDIAN 190377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 19125e5fb97SAurelien Jarno select SYS_HAS_EARLY_PRINTK 192e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 193c949c0bcSRafał Miłecki select GPIOLIB 194c949c0bcSRafał Miłecki select LEDS_GPIO_REGISTER 195f6e734a8SRafał Miłecki select BCM47XX_NVRAM 1961c0c13ebSAurelien Jarno help 1971c0c13ebSAurelien Jarno Support for BCM47XX based boards 1981c0c13ebSAurelien Jarno 199e7300d04SMaxime Bizonconfig BCM63XX 200e7300d04SMaxime Bizon bool "Broadcom BCM63XX based boards" 201ae8de61cSFlorian Fainelli select BOOT_RAW 202e7300d04SMaxime Bizon select CEVT_R4K 203e7300d04SMaxime Bizon select CSRC_R4K 204fc264022SJonas Gorski select SYNC_R4K 205e7300d04SMaxime Bizon select DMA_NONCOHERENT 20667e38cf2SRalf Baechle select IRQ_MIPS_CPU 207e7300d04SMaxime Bizon select SYS_SUPPORTS_32BIT_KERNEL 208e7300d04SMaxime Bizon select SYS_SUPPORTS_BIG_ENDIAN 209e7300d04SMaxime Bizon select SYS_HAS_EARLY_PRINTK 210e7300d04SMaxime Bizon select SWAP_IO_SPACE 211e7300d04SMaxime Bizon select ARCH_REQUIRE_GPIOLIB 2123e82eeebSYoichi Yuasa select HAVE_CLK 213af2418beSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 214e7300d04SMaxime Bizon help 215e7300d04SMaxime Bizon Support for BCM63XX based boards 216e7300d04SMaxime Bizon 2171da177e4SLinus Torvaldsconfig MIPS_COBALT 2183fa986faSMartin Michlmayr bool "Cobalt Server" 21942f77542SRalf Baechle select CEVT_R4K 220940f6b48SRalf Baechle select CSRC_R4K 2211097c6acSYoichi Yuasa select CEVT_GT641XX 2221da177e4SLinus Torvalds select DMA_NONCOHERENT 2231da177e4SLinus Torvalds select HW_HAS_PCI 224d865bea4SRalf Baechle select I8253 2251da177e4SLinus Torvalds select I8259 22667e38cf2SRalf Baechle select IRQ_MIPS_CPU 227d5ab1a69SYoichi Yuasa select IRQ_GT641XX 228252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 229e25bfc92SYoichi Yuasa select PCI 2307cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 2310a22e0d4SYoichi Yuasa select SYS_HAS_EARLY_PRINTK 232ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2330e8774b6SFlorian Fainelli select SYS_SUPPORTS_64BIT_KERNEL 2345e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 235e6086557SRalf Baechle select USE_GENERIC_EARLY_PRINTK_8250 2361da177e4SLinus Torvalds 2371da177e4SLinus Torvaldsconfig MACH_DECSTATION 2383fa986faSMartin Michlmayr bool "DECstations" 2391da177e4SLinus Torvalds select BOOT_ELF32 2406457d9fcSYoichi Yuasa select CEVT_DS1287 24181d10badSMaciej W. Rozycki select CEVT_R4K if CPU_R4X00 2424247417dSYoichi Yuasa select CSRC_IOASIC 24381d10badSMaciej W. Rozycki select CSRC_R4K if CPU_R4X00 24420d60d99SMaciej W. Rozycki select CPU_DADDI_WORKAROUNDS if 64BIT 24520d60d99SMaciej W. Rozycki select CPU_R4000_WORKAROUNDS if 64BIT 24620d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS if 64BIT 2471da177e4SLinus Torvalds select DMA_NONCOHERENT 248ce816fa8SUwe Kleine-König select NO_IOPORT_MAP 24967e38cf2SRalf Baechle select IRQ_MIPS_CPU 2507cf8053bSRalf Baechle select SYS_HAS_CPU_R3000 2517cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 252ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 2537d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 2545e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 2551723b4a3SAtsushi Nemoto select SYS_SUPPORTS_128HZ 2561723b4a3SAtsushi Nemoto select SYS_SUPPORTS_256HZ 2571723b4a3SAtsushi Nemoto select SYS_SUPPORTS_1024HZ 258930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 2595e83d430SRalf Baechle help 2601da177e4SLinus Torvalds This enables support for DEC's MIPS based workstations. For details 2611da177e4SLinus Torvalds see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the 2621da177e4SLinus Torvalds DECstation porting pages on <http://decstation.unix-ag.org/>. 2631da177e4SLinus Torvalds 2641da177e4SLinus Torvalds If you have one of the following DECstation Models you definitely 2651da177e4SLinus Torvalds want to choose R4xx0 for the CPU Type: 2661da177e4SLinus Torvalds 2671da177e4SLinus Torvalds DECstation 5000/50 2681da177e4SLinus Torvalds DECstation 5000/150 2691da177e4SLinus Torvalds DECstation 5000/260 2701da177e4SLinus Torvalds DECsystem 5900/260 2711da177e4SLinus Torvalds 2721da177e4SLinus Torvalds otherwise choose R3000. 2731da177e4SLinus Torvalds 2745e83d430SRalf Baechleconfig MACH_JAZZ 2753fa986faSMartin Michlmayr bool "Jazz family of machines" 2760e2794b0SRalf Baechle select FW_ARC 2770e2794b0SRalf Baechle select FW_ARC32 2785e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 27942f77542SRalf Baechle select CEVT_R4K 280940f6b48SRalf Baechle select CSRC_R4K 281e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 2825e83d430SRalf Baechle select GENERIC_ISA_DMA 2838a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 28467e38cf2SRalf Baechle select IRQ_MIPS_CPU 285d865bea4SRalf Baechle select I8253 2865e83d430SRalf Baechle select I8259 2875e83d430SRalf Baechle select ISA 2887cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 2895e83d430SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 2907d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 2911723b4a3SAtsushi Nemoto select SYS_SUPPORTS_100HZ 2921da177e4SLinus Torvalds help 2935e83d430SRalf Baechle This a family of machines based on the MIPS R4030 chipset which was 2945e83d430SRalf Baechle used by several vendors to build RISC/os and Windows NT workstations. 295692105b8SMatt LaPlante Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and 2965e83d430SRalf Baechle Olivetti M700-10 workstations. 2975e83d430SRalf Baechle 298de361e8bSPaul Burtonconfig MACH_INGENIC 299de361e8bSPaul Burton bool "Ingenic SoC based machines" 3005ebabe59SLars-Peter Clausen select SYS_SUPPORTS_32BIT_KERNEL 3015ebabe59SLars-Peter Clausen select SYS_SUPPORTS_LITTLE_ENDIAN 302f9c9affcSLluís Batlle i Rossell select SYS_SUPPORTS_ZBOOT_UART16550 3035ebabe59SLars-Peter Clausen select DMA_NONCOHERENT 30467e38cf2SRalf Baechle select IRQ_MIPS_CPU 3055ebabe59SLars-Peter Clausen select ARCH_REQUIRE_GPIOLIB 306ff1930c6SPaul Burton select COMMON_CLK 30783bc7692SLars-Peter Clausen select GENERIC_IRQ_CHIP 308ffb1843dSPaul Burton select BUILTIN_DTB 309ffb1843dSPaul Burton select USE_OF 3106ec127fbSPaul Burton select LIBFDT 3115ebabe59SLars-Peter Clausen 312171bb2f1SJohn Crispinconfig LANTIQ 313171bb2f1SJohn Crispin bool "Lantiq based platforms" 314171bb2f1SJohn Crispin select DMA_NONCOHERENT 31567e38cf2SRalf Baechle select IRQ_MIPS_CPU 316171bb2f1SJohn Crispin select CEVT_R4K 317171bb2f1SJohn Crispin select CSRC_R4K 318171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 319171bb2f1SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 320171bb2f1SJohn Crispin select SYS_SUPPORTS_BIG_ENDIAN 321171bb2f1SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 322377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 323171bb2f1SJohn Crispin select SYS_SUPPORTS_MULTITHREADING 324171bb2f1SJohn Crispin select SYS_HAS_EARLY_PRINTK 325171bb2f1SJohn Crispin select ARCH_REQUIRE_GPIOLIB 326171bb2f1SJohn Crispin select SWAP_IO_SPACE 327171bb2f1SJohn Crispin select BOOT_RAW 328287e3f3fSJohn Crispin select HAVE_MACH_CLKDEV 329287e3f3fSJohn Crispin select CLKDEV_LOOKUP 330a0392222SJohn Crispin select USE_OF 3313f8c50c9SJohn Crispin select PINCTRL 3323f8c50c9SJohn Crispin select PINCTRL_LANTIQ 333c530781cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 334c530781cSJohn Crispin select RESET_CONTROLLER 335171bb2f1SJohn Crispin 3361f21d2bdSBrian Murphyconfig LASAT 3371f21d2bdSBrian Murphy bool "LASAT Networks platforms" 33842f77542SRalf Baechle select CEVT_R4K 33916f0bbbcSRalf Baechle select CRC32 340940f6b48SRalf Baechle select CSRC_R4K 3411f21d2bdSBrian Murphy select DMA_NONCOHERENT 3421f21d2bdSBrian Murphy select SYS_HAS_EARLY_PRINTK 3431f21d2bdSBrian Murphy select HW_HAS_PCI 34467e38cf2SRalf Baechle select IRQ_MIPS_CPU 3451f21d2bdSBrian Murphy select PCI_GT64XXX_PCI0 3461f21d2bdSBrian Murphy select MIPS_NILE4 3471f21d2bdSBrian Murphy select R5000_CPU_SCACHE 3481f21d2bdSBrian Murphy select SYS_HAS_CPU_R5000 3491f21d2bdSBrian Murphy select SYS_SUPPORTS_32BIT_KERNEL 3501f21d2bdSBrian Murphy select SYS_SUPPORTS_64BIT_KERNEL if BROKEN 3511f21d2bdSBrian Murphy select SYS_SUPPORTS_LITTLE_ENDIAN 3521f21d2bdSBrian Murphy 35330ad29bbSHuacai Chenconfig MACH_LOONGSON32 35430ad29bbSHuacai Chen bool "Loongson-1 family of machines" 355c7e8c668SWu Zhangjin select SYS_SUPPORTS_ZBOOT 356ade299d8SYoichi Yuasa help 35730ad29bbSHuacai Chen This enables support for the Loongson-1 family of machines. 35885749d24SWu Zhangjin 35930ad29bbSHuacai Chen Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by 36030ad29bbSHuacai Chen the Institute of Computing Technology (ICT), Chinese Academy of 36130ad29bbSHuacai Chen Sciences (CAS). 362ade299d8SYoichi Yuasa 36330ad29bbSHuacai Chenconfig MACH_LOONGSON64 36430ad29bbSHuacai Chen bool "Loongson-2/3 family of machines" 365ca585cf9SKelvin Cheung select SYS_SUPPORTS_ZBOOT 366ca585cf9SKelvin Cheung help 36730ad29bbSHuacai Chen This enables the support of Loongson-2/3 family of machines. 368ca585cf9SKelvin Cheung 36930ad29bbSHuacai Chen Loongson-2 is a family of single-core CPUs and Loongson-3 is a 37030ad29bbSHuacai Chen family of multi-core CPUs. They are both 64-bit general-purpose 37130ad29bbSHuacai Chen MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute 37230ad29bbSHuacai Chen of Computing Technology (ICT), Chinese Academy of Sciences (CAS) 37330ad29bbSHuacai Chen in the People's Republic of China. The chief architect is Professor 37430ad29bbSHuacai Chen Weiwu Hu. 375ca585cf9SKelvin Cheung 3766a438309SAndrew Brestickerconfig MACH_PISTACHIO 3776a438309SAndrew Bresticker bool "IMG Pistachio SoC based boards" 3786a438309SAndrew Bresticker select ARCH_REQUIRE_GPIOLIB 3796a438309SAndrew Bresticker select BOOT_ELF32 3806a438309SAndrew Bresticker select BOOT_RAW 3816a438309SAndrew Bresticker select CEVT_R4K 3826a438309SAndrew Bresticker select CLKSRC_MIPS_GIC 3836a438309SAndrew Bresticker select COMMON_CLK 3846a438309SAndrew Bresticker select CSRC_R4K 3856a438309SAndrew Bresticker select DMA_MAYBE_COHERENT 38667e38cf2SRalf Baechle select IRQ_MIPS_CPU 3876a438309SAndrew Bresticker select LIBFDT 3886a438309SAndrew Bresticker select MFD_SYSCON 3896a438309SAndrew Bresticker select MIPS_CPU_SCACHE 3906a438309SAndrew Bresticker select MIPS_GIC 3916a438309SAndrew Bresticker select PINCTRL 3926a438309SAndrew Bresticker select REGULATOR 3936a438309SAndrew Bresticker select SYS_HAS_CPU_MIPS32_R2 3946a438309SAndrew Bresticker select SYS_SUPPORTS_32BIT_KERNEL 3956a438309SAndrew Bresticker select SYS_SUPPORTS_LITTLE_ENDIAN 3966a438309SAndrew Bresticker select SYS_SUPPORTS_MIPS_CPS 3976a438309SAndrew Bresticker select SYS_SUPPORTS_MULTITHREADING 3986a438309SAndrew Bresticker select SYS_SUPPORTS_ZBOOT 399018f62eeSEzequiel Garcia select SYS_HAS_EARLY_PRINTK 400018f62eeSEzequiel Garcia select USE_GENERIC_EARLY_PRINTK_8250 4016a438309SAndrew Bresticker select USE_OF 4026a438309SAndrew Bresticker help 4036a438309SAndrew Bresticker This enables support for the IMG Pistachio SoC platform. 4046a438309SAndrew Bresticker 4051da177e4SLinus Torvaldsconfig MIPS_MALTA 4063fa986faSMartin Michlmayr bool "MIPS Malta board" 40761ed242dSRalf Baechle select ARCH_MAY_HAVE_PC_FDC 4081da177e4SLinus Torvalds select BOOT_ELF32 409fa71c960SRalf Baechle select BOOT_RAW 410e8823d26SPaul Burton select BUILTIN_DTB 41142f77542SRalf Baechle select CEVT_R4K 412940f6b48SRalf Baechle select CSRC_R4K 413fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 41442b002abSGuenter Roeck select COMMON_CLK 415885014bcSFelix Fietkau select DMA_MAYBE_COHERENT 4161da177e4SLinus Torvalds select GENERIC_ISA_DMA 4178a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 41867e38cf2SRalf Baechle select IRQ_MIPS_CPU 4198a19b8f1SAndrew Bresticker select MIPS_GIC 4201da177e4SLinus Torvalds select HW_HAS_PCI 421d865bea4SRalf Baechle select I8253 4221da177e4SLinus Torvalds select I8259 4235e83d430SRalf Baechle select MIPS_BONITO64 4249318c51aSChris Dearman select MIPS_CPU_SCACHE 425a7ef1eadSKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 426252161ecSYoichi Yuasa select PCI_GT64XXX_PCI0 4275e83d430SRalf Baechle select MIPS_MSC 4281da177e4SLinus Torvalds select SWAP_IO_SPACE 4297cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 4307cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS32_R2 431bfc3c5a6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R3_5 432c5b36783SSteven J. Hill select SYS_HAS_CPU_MIPS32_R5 433575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS32_R6 4347cf8053bSRalf Baechle select SYS_HAS_CPU_MIPS64_R1 4355d9fbed1SLeonid Yegoshin select SYS_HAS_CPU_MIPS64_R2 436575509b6SMarkos Chandras select SYS_HAS_CPU_MIPS64_R6 4377cf8053bSRalf Baechle select SYS_HAS_CPU_NEVADA 4387cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 439ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 440ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 4415e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 442c5b36783SSteven J. Hill select SYS_SUPPORTS_HIGHMEM 4435e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 444424ebcdfSMaciej W. Rozycki select SYS_SUPPORTS_MICROMIPS 4450365070fSTim Anderson select SYS_SUPPORTS_MIPS_CMP 446e56b6aa6SPaul Burton select SYS_SUPPORTS_MIPS_CPS 447377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 448f41ae0b2SRalf Baechle select SYS_SUPPORTS_MULTITHREADING 4499693a853SFranck Bui-Huu select SYS_SUPPORTS_SMARTMIPS 4501b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 451e8823d26SPaul Burton select USE_OF 452abcc82b1SJames Hogan select ZONE_DMA32 if 64BIT 453*e81a8c7dSPaul Burton select BUILTIN_DTB 454*e81a8c7dSPaul Burton select LIBFDT 4551da177e4SLinus Torvalds help 456f638d197SMaciej W. Rozycki This enables support for the MIPS Technologies Malta evaluation 4571da177e4SLinus Torvalds board. 4581da177e4SLinus Torvalds 459ec47b274SSteven J. Hillconfig MIPS_SEAD3 460ec47b274SSteven J. Hill bool "MIPS SEAD3 board" 461ec47b274SSteven J. Hill select BOOT_ELF32 462ec47b274SSteven J. Hill select BOOT_RAW 463f262b5f2SAndrew Bresticker select BUILTIN_DTB 464ec47b274SSteven J. Hill select CEVT_R4K 465ec47b274SSteven J. Hill select CSRC_R4K 466fa5635a2SAndrew Bresticker select CLKSRC_MIPS_GIC 46742b002abSGuenter Roeck select COMMON_CLK 468ec47b274SSteven J. Hill select CPU_MIPSR2_IRQ_VI 469ec47b274SSteven J. Hill select CPU_MIPSR2_IRQ_EI 470ec47b274SSteven J. Hill select DMA_NONCOHERENT 47167e38cf2SRalf Baechle select IRQ_MIPS_CPU 4728a19b8f1SAndrew Bresticker select MIPS_GIC 47344327236SQais Yousef select LIBFDT 474ec47b274SSteven J. Hill select MIPS_MSC 475ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS32_R1 476ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS32_R2 477ec47b274SSteven J. Hill select SYS_HAS_CPU_MIPS64_R1 478ec47b274SSteven J. Hill select SYS_HAS_EARLY_PRINTK 479ec47b274SSteven J. Hill select SYS_SUPPORTS_32BIT_KERNEL 480ec47b274SSteven J. Hill select SYS_SUPPORTS_64BIT_KERNEL 481ec47b274SSteven J. Hill select SYS_SUPPORTS_BIG_ENDIAN 482ec47b274SSteven J. Hill select SYS_SUPPORTS_LITTLE_ENDIAN 483ec47b274SSteven J. Hill select SYS_SUPPORTS_SMARTMIPS 484a6a4834cSSteven J. Hill select SYS_SUPPORTS_MICROMIPS 485377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 486ec47b274SSteven J. Hill select USB_EHCI_BIG_ENDIAN_DESC 487ec47b274SSteven J. Hill select USB_EHCI_BIG_ENDIAN_MMIO 4889b731009SSteven J. Hill select USE_OF 489ec47b274SSteven J. Hill help 490ec47b274SSteven J. Hill This enables support for the MIPS Technologies SEAD3 evaluation 491ec47b274SSteven J. Hill board. 492ec47b274SSteven J. Hill 493a83860c2SRalf Baechleconfig NEC_MARKEINS 494a83860c2SRalf Baechle bool "NEC EMMA2RH Mark-eins board" 495a83860c2SRalf Baechle select SOC_EMMA2RH 496a83860c2SRalf Baechle select HW_HAS_PCI 497a83860c2SRalf Baechle help 498a83860c2SRalf Baechle This enables support for the NEC Electronics Mark-eins boards. 499ade299d8SYoichi Yuasa 5005e83d430SRalf Baechleconfig MACH_VR41XX 50174142d65SYoichi Yuasa bool "NEC VR4100 series based machines" 50242f77542SRalf Baechle select CEVT_R4K 503940f6b48SRalf Baechle select CSRC_R4K 5047cf8053bSRalf Baechle select SYS_HAS_CPU_VR41XX 505377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 50627fdd325SYoichi Yuasa select ARCH_REQUIRE_GPIOLIB 5075e83d430SRalf Baechle 508edb6310aSDaniel Lairdconfig NXP_STB220 509edb6310aSDaniel Laird bool "NXP STB220 board" 510edb6310aSDaniel Laird select SOC_PNX833X 511edb6310aSDaniel Laird help 512edb6310aSDaniel Laird Support for NXP Semiconductors STB220 Development Board. 513edb6310aSDaniel Laird 514edb6310aSDaniel Lairdconfig NXP_STB225 515edb6310aSDaniel Laird bool "NXP 225 board" 516edb6310aSDaniel Laird select SOC_PNX833X 517edb6310aSDaniel Laird select SOC_PNX8335 518edb6310aSDaniel Laird help 519edb6310aSDaniel Laird Support for NXP Semiconductors STB225 Development Board. 520edb6310aSDaniel Laird 5219267a30dSMarc St-Jeanconfig PMC_MSP 5229267a30dSMarc St-Jean bool "PMC-Sierra MSP chipsets" 52339d30c13SAnoop P A select CEVT_R4K 52439d30c13SAnoop P A select CSRC_R4K 5259267a30dSMarc St-Jean select DMA_NONCOHERENT 5269267a30dSMarc St-Jean select SWAP_IO_SPACE 5279267a30dSMarc St-Jean select NO_EXCEPT_FILL 5289267a30dSMarc St-Jean select BOOT_RAW 5299267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R1 5309267a30dSMarc St-Jean select SYS_HAS_CPU_MIPS32_R2 5319267a30dSMarc St-Jean select SYS_SUPPORTS_32BIT_KERNEL 5329267a30dSMarc St-Jean select SYS_SUPPORTS_BIG_ENDIAN 533377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 53467e38cf2SRalf Baechle select IRQ_MIPS_CPU 5359267a30dSMarc St-Jean select SERIAL_8250 5369267a30dSMarc St-Jean select SERIAL_8250_CONSOLE 5379296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_MMIO 5389296d94dSFlorian Fainelli select USB_EHCI_BIG_ENDIAN_DESC 5399267a30dSMarc St-Jean help 5409267a30dSMarc St-Jean This adds support for the PMC-Sierra family of Multi-Service 5419267a30dSMarc St-Jean Processor System-On-A-Chips. These parts include a number 5429267a30dSMarc St-Jean of integrated peripherals, interfaces and DSPs in addition to 5439267a30dSMarc St-Jean a variety of MIPS cores. 5449267a30dSMarc St-Jean 545ae2b5bb6SJohn Crispinconfig RALINK 546ae2b5bb6SJohn Crispin bool "Ralink based machines" 547ae2b5bb6SJohn Crispin select CEVT_R4K 548ae2b5bb6SJohn Crispin select CSRC_R4K 549ae2b5bb6SJohn Crispin select BOOT_RAW 550ae2b5bb6SJohn Crispin select DMA_NONCOHERENT 55167e38cf2SRalf Baechle select IRQ_MIPS_CPU 552ae2b5bb6SJohn Crispin select USE_OF 553ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R1 554ae2b5bb6SJohn Crispin select SYS_HAS_CPU_MIPS32_R2 555ae2b5bb6SJohn Crispin select SYS_SUPPORTS_32BIT_KERNEL 556ae2b5bb6SJohn Crispin select SYS_SUPPORTS_LITTLE_ENDIAN 557377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 558ae2b5bb6SJohn Crispin select SYS_HAS_EARLY_PRINTK 559ae2b5bb6SJohn Crispin select HAVE_MACH_CLKDEV 560ae2b5bb6SJohn Crispin select CLKDEV_LOOKUP 5612a153f1cSJohn Crispin select ARCH_HAS_RESET_CONTROLLER 5622a153f1cSJohn Crispin select RESET_CONTROLLER 563ae2b5bb6SJohn Crispin 5641da177e4SLinus Torvaldsconfig SGI_IP22 5653fa986faSMartin Michlmayr bool "SGI IP22 (Indy/Indigo2)" 5660e2794b0SRalf Baechle select FW_ARC 5670e2794b0SRalf Baechle select FW_ARC32 5681da177e4SLinus Torvalds select BOOT_ELF32 56942f77542SRalf Baechle select CEVT_R4K 570940f6b48SRalf Baechle select CSRC_R4K 571e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 5721da177e4SLinus Torvalds select DMA_NONCOHERENT 5735e83d430SRalf Baechle select HW_HAS_EISA 574d865bea4SRalf Baechle select I8253 57568de4803SThomas Bogendoerfer select I8259 5761da177e4SLinus Torvalds select IP22_CPU_SCACHE 57767e38cf2SRalf Baechle select IRQ_MIPS_CPU 578aa414dffSRalf Baechle select GENERIC_ISA_DMA_SUPPORT_BROKEN 579e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 580e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 58136e5c21dSThomas Bogendoerfer select SGI_HAS_HAL2 582e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 583e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 584e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 5851da177e4SLinus Torvalds select SWAP_IO_SPACE 5867cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 5877cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 5882b5e63f6SMartin Michlmayr # 5892b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 5902b5e63f6SMartin Michlmayr # memory during early boot on some machines. 5912b5e63f6SMartin Michlmayr # 5922b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 5932b5e63f6SMartin Michlmayr # for a more details discussion 5942b5e63f6SMartin Michlmayr # 5952b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 596ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 597ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 5985e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 599930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6001da177e4SLinus Torvalds help 6011da177e4SLinus Torvalds This are the SGI Indy, Challenge S and Indigo2, as well as certain 6021da177e4SLinus Torvalds OEM variants like the Tandem CMN B006S. To compile a Linux kernel 6031da177e4SLinus Torvalds that runs on these, say Y here. 6041da177e4SLinus Torvalds 6051da177e4SLinus Torvaldsconfig SGI_IP27 6063fa986faSMartin Michlmayr bool "SGI IP27 (Origin200/2000)" 6070e2794b0SRalf Baechle select FW_ARC 6080e2794b0SRalf Baechle select FW_ARC64 6095e83d430SRalf Baechle select BOOT_ELF64 610e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 611634286f1SRalf Baechle select DMA_COHERENT 61236a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 6131da177e4SLinus Torvalds select HW_HAS_PCI 614130e2fb7SRalf Baechle select NR_CPUS_DEFAULT_64 6157cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 616ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6175e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 618d8cb4e11SRalf Baechle select SYS_SUPPORTS_NUMA 6191a5c5de1SRalf Baechle select SYS_SUPPORTS_SMP 620930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 6211da177e4SLinus Torvalds help 6221da177e4SLinus Torvalds This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics 6231da177e4SLinus Torvalds workstations. To compile a Linux kernel that runs on these, say Y 6241da177e4SLinus Torvalds here. 6251da177e4SLinus Torvalds 626e2defae5SThomas Bogendoerferconfig SGI_IP28 6277d60717eSKees Cook bool "SGI IP28 (Indigo2 R10k)" 6280e2794b0SRalf Baechle select FW_ARC 6290e2794b0SRalf Baechle select FW_ARC64 630e2defae5SThomas Bogendoerfer select BOOT_ELF64 631e2defae5SThomas Bogendoerfer select CEVT_R4K 632e2defae5SThomas Bogendoerfer select CSRC_R4K 633e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION 634e2defae5SThomas Bogendoerfer select DMA_NONCOHERENT 635e2defae5SThomas Bogendoerfer select GENERIC_ISA_DMA_SUPPORT_BROKEN 63667e38cf2SRalf Baechle select IRQ_MIPS_CPU 637e2defae5SThomas Bogendoerfer select HW_HAS_EISA 638e2defae5SThomas Bogendoerfer select I8253 639e2defae5SThomas Bogendoerfer select I8259 640e2defae5SThomas Bogendoerfer select SGI_HAS_I8042 641e2defae5SThomas Bogendoerfer select SGI_HAS_INDYDOG 6425b438c44SThomas Bogendoerfer select SGI_HAS_HAL2 643e2defae5SThomas Bogendoerfer select SGI_HAS_SEEQ 644e2defae5SThomas Bogendoerfer select SGI_HAS_WD93 645e2defae5SThomas Bogendoerfer select SGI_HAS_ZILOG 646e2defae5SThomas Bogendoerfer select SWAP_IO_SPACE 647e2defae5SThomas Bogendoerfer select SYS_HAS_CPU_R10000 6482b5e63f6SMartin Michlmayr # 6492b5e63f6SMartin Michlmayr # Disable EARLY_PRINTK for now since it leads to overwritten prom 6502b5e63f6SMartin Michlmayr # memory during early boot on some machines. 6512b5e63f6SMartin Michlmayr # 6522b5e63f6SMartin Michlmayr # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com 6532b5e63f6SMartin Michlmayr # for a more details discussion 6542b5e63f6SMartin Michlmayr # 6552b5e63f6SMartin Michlmayr # select SYS_HAS_EARLY_PRINTK 656e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_64BIT_KERNEL 657e2defae5SThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 658dc24d68dSThomas Bogendoerfer select MIPS_L1_CACHE_SHIFT_7 659e2defae5SThomas Bogendoerfer help 660e2defae5SThomas Bogendoerfer This is the SGI Indigo2 with R10000 processor. To compile a Linux 661e2defae5SThomas Bogendoerfer kernel that runs on these, say Y here. 662e2defae5SThomas Bogendoerfer 6631da177e4SLinus Torvaldsconfig SGI_IP32 664cfd2afc0SRalf Baechle bool "SGI IP32 (O2)" 6650e2794b0SRalf Baechle select FW_ARC 6660e2794b0SRalf Baechle select FW_ARC32 6671da177e4SLinus Torvalds select BOOT_ELF32 66842f77542SRalf Baechle select CEVT_R4K 669940f6b48SRalf Baechle select CSRC_R4K 6701da177e4SLinus Torvalds select DMA_NONCOHERENT 6711da177e4SLinus Torvalds select HW_HAS_PCI 67267e38cf2SRalf Baechle select IRQ_MIPS_CPU 6731da177e4SLinus Torvalds select R5000_CPU_SCACHE 6741da177e4SLinus Torvalds select RM7000_CPU_SCACHE 6757cf8053bSRalf Baechle select SYS_HAS_CPU_R5000 6767cf8053bSRalf Baechle select SYS_HAS_CPU_R10000 if BROKEN 6777cf8053bSRalf Baechle select SYS_HAS_CPU_RM7000 678dd2f18feSRalf Baechle select SYS_HAS_CPU_NEVADA 679ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_64BIT_KERNEL 6805e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6811da177e4SLinus Torvalds help 6821da177e4SLinus Torvalds If you want this kernel to run on SGI O2 workstation, say Y here. 6831da177e4SLinus Torvalds 684ade299d8SYoichi Yuasaconfig SIBYTE_CRHINE 685ade299d8SYoichi Yuasa bool "Sibyte BCM91120C-CRhine" 6865e83d430SRalf Baechle select BOOT_ELF32 6875e83d430SRalf Baechle select DMA_COHERENT 6885e83d430SRalf Baechle select SIBYTE_BCM1120 6895e83d430SRalf Baechle select SWAP_IO_SPACE 6907cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 6915e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 6925e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 6935e83d430SRalf Baechle 694ade299d8SYoichi Yuasaconfig SIBYTE_CARMEL 695ade299d8SYoichi Yuasa bool "Sibyte BCM91120x-Carmel" 6965e83d430SRalf Baechle select BOOT_ELF32 6975e83d430SRalf Baechle select DMA_COHERENT 6985e83d430SRalf Baechle select SIBYTE_BCM1120 6995e83d430SRalf Baechle select SWAP_IO_SPACE 7007cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7015e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7025e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7035e83d430SRalf Baechle 7045e83d430SRalf Baechleconfig SIBYTE_CRHONE 7053fa986faSMartin Michlmayr bool "Sibyte BCM91125C-CRhone" 7065e83d430SRalf Baechle select BOOT_ELF32 7075e83d430SRalf Baechle select DMA_COHERENT 7085e83d430SRalf Baechle select SIBYTE_BCM1125 7095e83d430SRalf Baechle select SWAP_IO_SPACE 7107cf8053bSRalf Baechle select SYS_HAS_CPU_SB1 7115e83d430SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 7125e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 7135e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 7145e83d430SRalf Baechle 715ade299d8SYoichi Yuasaconfig SIBYTE_RHONE 716ade299d8SYoichi Yuasa bool "Sibyte BCM91125E-Rhone" 717ade299d8SYoichi Yuasa select BOOT_ELF32 718ade299d8SYoichi Yuasa select DMA_COHERENT 719ade299d8SYoichi Yuasa select SIBYTE_BCM1125H 720ade299d8SYoichi Yuasa select SWAP_IO_SPACE 721ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 722ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 723ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 724ade299d8SYoichi Yuasa 725ade299d8SYoichi Yuasaconfig SIBYTE_SWARM 726ade299d8SYoichi Yuasa bool "Sibyte BCM91250A-SWARM" 727ade299d8SYoichi Yuasa select BOOT_ELF32 728ade299d8SYoichi Yuasa select DMA_COHERENT 729fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 730ade299d8SYoichi Yuasa select SIBYTE_SB1250 731ade299d8SYoichi Yuasa select SWAP_IO_SPACE 732ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 733ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 734ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 735ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 736cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 737ade299d8SYoichi Yuasa 738ade299d8SYoichi Yuasaconfig SIBYTE_LITTLESUR 739ade299d8SYoichi Yuasa bool "Sibyte BCM91250C2-LittleSur" 740ade299d8SYoichi Yuasa select BOOT_ELF32 741ade299d8SYoichi Yuasa select DMA_COHERENT 742fcf3ca4cSSebastian Andrzej Siewior select HAVE_PATA_PLATFORM 743ade299d8SYoichi Yuasa select SIBYTE_SB1250 744ade299d8SYoichi Yuasa select SWAP_IO_SPACE 745ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 746ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 747ade299d8SYoichi Yuasa select SYS_SUPPORTS_HIGHMEM 748ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 749ade299d8SYoichi Yuasa 750ade299d8SYoichi Yuasaconfig SIBYTE_SENTOSA 751ade299d8SYoichi Yuasa bool "Sibyte BCM91250E-Sentosa" 752ade299d8SYoichi Yuasa select BOOT_ELF32 753ade299d8SYoichi Yuasa select DMA_COHERENT 754ade299d8SYoichi Yuasa select SIBYTE_SB1250 755ade299d8SYoichi Yuasa select SWAP_IO_SPACE 756ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 757ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 758ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 759ade299d8SYoichi Yuasa 760ade299d8SYoichi Yuasaconfig SIBYTE_BIGSUR 761ade299d8SYoichi Yuasa bool "Sibyte BCM91480B-BigSur" 762ade299d8SYoichi Yuasa select BOOT_ELF32 763ade299d8SYoichi Yuasa select DMA_COHERENT 764ade299d8SYoichi Yuasa select NR_CPUS_DEFAULT_4 765ade299d8SYoichi Yuasa select SIBYTE_BCM1x80 766ade299d8SYoichi Yuasa select SWAP_IO_SPACE 767ade299d8SYoichi Yuasa select SYS_HAS_CPU_SB1 768ade299d8SYoichi Yuasa select SYS_SUPPORTS_BIG_ENDIAN 769651194f8SRalf Baechle select SYS_SUPPORTS_HIGHMEM 770ade299d8SYoichi Yuasa select SYS_SUPPORTS_LITTLE_ENDIAN 771cce335aeSRalf Baechle select ZONE_DMA32 if 64BIT 772ade299d8SYoichi Yuasa 77314b36af4SThomas Bogendoerferconfig SNI_RM 77414b36af4SThomas Bogendoerfer bool "SNI RM200/300/400" 7750e2794b0SRalf Baechle select FW_ARC if CPU_LITTLE_ENDIAN 7760e2794b0SRalf Baechle select FW_ARC32 if CPU_LITTLE_ENDIAN 777aaa9fad3SPaul Bolle select FW_SNIPROM if CPU_BIG_ENDIAN 7785e83d430SRalf Baechle select ARCH_MAY_HAVE_PC_FDC 7795e83d430SRalf Baechle select BOOT_ELF32 78042f77542SRalf Baechle select CEVT_R4K 781940f6b48SRalf Baechle select CSRC_R4K 782e2defae5SThomas Bogendoerfer select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN 7835e83d430SRalf Baechle select DMA_NONCOHERENT 7845e83d430SRalf Baechle select GENERIC_ISA_DMA 7858a118c38SRalf Baechle select HAVE_PCSPKR_PLATFORM 7865e83d430SRalf Baechle select HW_HAS_EISA 7875e83d430SRalf Baechle select HW_HAS_PCI 78867e38cf2SRalf Baechle select IRQ_MIPS_CPU 789d865bea4SRalf Baechle select I8253 7905e83d430SRalf Baechle select I8259 7915e83d430SRalf Baechle select ISA 7924a0312fcSThomas Bogendoerfer select SWAP_IO_SPACE if CPU_BIG_ENDIAN 7937cf8053bSRalf Baechle select SYS_HAS_CPU_R4X00 7944a0312fcSThomas Bogendoerfer select SYS_HAS_CPU_R5000 795c066a32aSThomas Bogendoerfer select SYS_HAS_CPU_R10000 7964a0312fcSThomas Bogendoerfer select R5000_CPU_SCACHE 79736a88530SRalf Baechle select SYS_HAS_EARLY_PRINTK 798ed5ba2fbSYoichi Yuasa select SYS_SUPPORTS_32BIT_KERNEL 7997d60717eSKees Cook select SYS_SUPPORTS_64BIT_KERNEL 8004a0312fcSThomas Bogendoerfer select SYS_SUPPORTS_BIG_ENDIAN 8015e83d430SRalf Baechle select SYS_SUPPORTS_HIGHMEM 8025e83d430SRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 8031da177e4SLinus Torvalds help 80414b36af4SThomas Bogendoerfer The SNI RM200/300/400 are MIPS-based machines manufactured by 80514b36af4SThomas Bogendoerfer Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid 8065e83d430SRalf Baechle Technology and now in turn merged with Fujitsu. Say Y here to 8075e83d430SRalf Baechle support this machine type. 8081da177e4SLinus Torvalds 809edcaf1a6SAtsushi Nemotoconfig MACH_TX39XX 810edcaf1a6SAtsushi Nemoto bool "Toshiba TX39 series based machines" 8115e83d430SRalf Baechle 812edcaf1a6SAtsushi Nemotoconfig MACH_TX49XX 813edcaf1a6SAtsushi Nemoto bool "Toshiba TX49 series based machines" 81423fbee9dSRalf Baechle 81573b4390fSRalf Baechleconfig MIKROTIK_RB532 81673b4390fSRalf Baechle bool "Mikrotik RB532 boards" 81773b4390fSRalf Baechle select CEVT_R4K 81873b4390fSRalf Baechle select CSRC_R4K 81973b4390fSRalf Baechle select DMA_NONCOHERENT 82073b4390fSRalf Baechle select HW_HAS_PCI 82167e38cf2SRalf Baechle select IRQ_MIPS_CPU 82273b4390fSRalf Baechle select SYS_HAS_CPU_MIPS32_R1 82373b4390fSRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 82473b4390fSRalf Baechle select SYS_SUPPORTS_LITTLE_ENDIAN 82573b4390fSRalf Baechle select SWAP_IO_SPACE 82673b4390fSRalf Baechle select BOOT_RAW 827d888e25bSFlorian Fainelli select ARCH_REQUIRE_GPIOLIB 828930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_4 82973b4390fSRalf Baechle help 83073b4390fSRalf Baechle Support the Mikrotik(tm) RouterBoard 532 series, 83173b4390fSRalf Baechle based on the IDT RC32434 SoC. 83273b4390fSRalf Baechle 8339ddebc46SDavid Daneyconfig CAVIUM_OCTEON_SOC 8349ddebc46SDavid Daney bool "Cavium Networks Octeon SoC based boards" 835a86c7f72SDavid Daney select CEVT_R4K 83634adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 837a86c7f72SDavid Daney select DMA_COHERENT 838a86c7f72SDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 839a86c7f72SDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 840f65aad41SRalf Baechle select EDAC_SUPPORT 841b01aec9bSBorislav Petkov select EDAC_ATOMIC_SCRUB 84273569d87SDavid Daney select SYS_SUPPORTS_LITTLE_ENDIAN 84373569d87SDavid Daney select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN 844a86c7f72SDavid Daney select SYS_HAS_EARLY_PRINTK 8455e683389SDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 846a86c7f72SDavid Daney select SWAP_IO_SPACE 847e8635b48SDavid Daney select HW_HAS_PCI 848f00e001eSDavid Daney select ZONE_DMA32 849465aaed0SDavid Daney select HOLES_IN_ZONE 85099cab4bbSDavid Daney select ARCH_REQUIRE_GPIOLIB 8516e511163SDavid Daney select LIBFDT 8526e511163SDavid Daney select USE_OF 8536e511163SDavid Daney select ARCH_SPARSEMEM_ENABLE 8546e511163SDavid Daney select SYS_SUPPORTS_SMP 8556e511163SDavid Daney select NR_CPUS_DEFAULT_16 856e326479fSAndrew Bresticker select BUILTIN_DTB 8578c1e6b14SDavid Daney select MTD_COMPLEX_MAPPINGS 858a86c7f72SDavid Daney help 859a86c7f72SDavid Daney This option supports all of the Octeon reference boards from Cavium 860a86c7f72SDavid Daney Networks. It builds a kernel that dynamically determines the Octeon 861a86c7f72SDavid Daney CPU type and supports all known board reference implementations. 862a86c7f72SDavid Daney Some of the supported boards are: 863a86c7f72SDavid Daney EBT3000 864a86c7f72SDavid Daney EBH3000 865a86c7f72SDavid Daney EBH3100 866a86c7f72SDavid Daney Thunder 867a86c7f72SDavid Daney Kodama 868a86c7f72SDavid Daney Hikari 869a86c7f72SDavid Daney Say Y here for most Octeon reference boards. 870a86c7f72SDavid Daney 8717f058e85SJayachandran Cconfig NLM_XLR_BOARD 8727f058e85SJayachandran C bool "Netlogic XLR/XLS based systems" 8737f058e85SJayachandran C select BOOT_ELF32 8747f058e85SJayachandran C select NLM_COMMON 8757f058e85SJayachandran C select SYS_HAS_CPU_XLR 8767f058e85SJayachandran C select SYS_SUPPORTS_SMP 8777f058e85SJayachandran C select HW_HAS_PCI 8787f058e85SJayachandran C select SWAP_IO_SPACE 8797f058e85SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 8807f058e85SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 88134adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 8827f058e85SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 8837f058e85SJayachandran C select SYS_SUPPORTS_HIGHMEM 8847f058e85SJayachandran C select DMA_COHERENT 8857f058e85SJayachandran C select NR_CPUS_DEFAULT_32 8867f058e85SJayachandran C select CEVT_R4K 8877f058e85SJayachandran C select CSRC_R4K 88867e38cf2SRalf Baechle select IRQ_MIPS_CPU 889b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 8907f058e85SJayachandran C select SYNC_R4K 8917f058e85SJayachandran C select SYS_HAS_EARLY_PRINTK 8928f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 8938f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 8947f058e85SJayachandran C help 8957f058e85SJayachandran C Support for systems based on Netlogic XLR and XLS processors. 8967f058e85SJayachandran C Say Y here if you have a XLR or XLS based board. 8977f058e85SJayachandran C 8981c773ea4SJayachandran Cconfig NLM_XLP_BOARD 8991c773ea4SJayachandran C bool "Netlogic XLP based systems" 9001c773ea4SJayachandran C select BOOT_ELF32 9011c773ea4SJayachandran C select NLM_COMMON 9021c773ea4SJayachandran C select SYS_HAS_CPU_XLP 9031c773ea4SJayachandran C select SYS_SUPPORTS_SMP 9041c773ea4SJayachandran C select HW_HAS_PCI 9051c773ea4SJayachandran C select SYS_SUPPORTS_32BIT_KERNEL 9061c773ea4SJayachandran C select SYS_SUPPORTS_64BIT_KERNEL 90734adb28dSRalf Baechle select ARCH_PHYS_ADDR_T_64BIT 908079e3160SKamlakant Patel select ARCH_REQUIRE_GPIOLIB 9091c773ea4SJayachandran C select SYS_SUPPORTS_BIG_ENDIAN 9101c773ea4SJayachandran C select SYS_SUPPORTS_LITTLE_ENDIAN 9111c773ea4SJayachandran C select SYS_SUPPORTS_HIGHMEM 9121c773ea4SJayachandran C select DMA_COHERENT 9131c773ea4SJayachandran C select NR_CPUS_DEFAULT_32 9141c773ea4SJayachandran C select CEVT_R4K 9151c773ea4SJayachandran C select CSRC_R4K 91667e38cf2SRalf Baechle select IRQ_MIPS_CPU 917b97215fdSJayachandran C select ZONE_DMA32 if 64BIT 9181c773ea4SJayachandran C select SYNC_R4K 9191c773ea4SJayachandran C select SYS_HAS_EARLY_PRINTK 9202f6528e1SJayachandran C select USE_OF 9218f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT 9228f0b0430SJayachandran C select SYS_SUPPORTS_ZBOOT_UART16550 9231c773ea4SJayachandran C help 9241c773ea4SJayachandran C This board is based on Netlogic XLP Processor. 9251c773ea4SJayachandran C Say Y here if you have a XLP based board. 9261c773ea4SJayachandran C 9279bc463beSDavid Daneyconfig MIPS_PARAVIRT 9289bc463beSDavid Daney bool "Para-Virtualized guest system" 9299bc463beSDavid Daney select CEVT_R4K 9309bc463beSDavid Daney select CSRC_R4K 9319bc463beSDavid Daney select DMA_COHERENT 9329bc463beSDavid Daney select SYS_SUPPORTS_64BIT_KERNEL 9339bc463beSDavid Daney select SYS_SUPPORTS_32BIT_KERNEL 9349bc463beSDavid Daney select SYS_SUPPORTS_BIG_ENDIAN 9359bc463beSDavid Daney select SYS_SUPPORTS_SMP 9369bc463beSDavid Daney select NR_CPUS_DEFAULT_4 9379bc463beSDavid Daney select SYS_HAS_EARLY_PRINTK 9389bc463beSDavid Daney select SYS_HAS_CPU_MIPS32_R2 9399bc463beSDavid Daney select SYS_HAS_CPU_MIPS64_R2 9409bc463beSDavid Daney select SYS_HAS_CPU_CAVIUM_OCTEON 9419bc463beSDavid Daney select HW_HAS_PCI 9429bc463beSDavid Daney select SWAP_IO_SPACE 9439bc463beSDavid Daney help 9449bc463beSDavid Daney This option supports guest running under ???? 9459bc463beSDavid Daney 9461da177e4SLinus Torvaldsendchoice 9471da177e4SLinus Torvalds 948e8c7c482SRalf Baechlesource "arch/mips/alchemy/Kconfig" 9493b12308fSSergey Ryazanovsource "arch/mips/ath25/Kconfig" 950d4a67d9dSGabor Juhossource "arch/mips/ath79/Kconfig" 951a656ffcbSHauke Mehrtenssource "arch/mips/bcm47xx/Kconfig" 952e7300d04SMaxime Bizonsource "arch/mips/bcm63xx/Kconfig" 9538945e37eSKevin Cernekeesource "arch/mips/bmips/Kconfig" 9545e83d430SRalf Baechlesource "arch/mips/jazz/Kconfig" 9555ebabe59SLars-Peter Clausensource "arch/mips/jz4740/Kconfig" 9568ec6d935SJohn Crispinsource "arch/mips/lantiq/Kconfig" 9571f21d2bdSBrian Murphysource "arch/mips/lasat/Kconfig" 958af0cfb2cSEzequiel Garciasource "arch/mips/pistachio/Kconfig" 9590f3a05cbSRalf Baechlesource "arch/mips/pmcs-msp71xx/Kconfig" 960ae2b5bb6SJohn Crispinsource "arch/mips/ralink/Kconfig" 96129c48699SRalf Baechlesource "arch/mips/sgi-ip27/Kconfig" 96238b18f72SRalf Baechlesource "arch/mips/sibyte/Kconfig" 96322b1d707SAtsushi Nemotosource "arch/mips/txx9/Kconfig" 9645e83d430SRalf Baechlesource "arch/mips/vr41xx/Kconfig" 965a86c7f72SDavid Daneysource "arch/mips/cavium-octeon/Kconfig" 96630ad29bbSHuacai Chensource "arch/mips/loongson32/Kconfig" 96730ad29bbSHuacai Chensource "arch/mips/loongson64/Kconfig" 9687f058e85SJayachandran Csource "arch/mips/netlogic/Kconfig" 969ae6e7e63SDavid Daneysource "arch/mips/paravirt/Kconfig" 97038b18f72SRalf Baechle 9715e83d430SRalf Baechleendmenu 9725e83d430SRalf Baechle 9731da177e4SLinus Torvaldsconfig RWSEM_GENERIC_SPINLOCK 9741da177e4SLinus Torvalds bool 9751da177e4SLinus Torvalds default y 9761da177e4SLinus Torvalds 9771da177e4SLinus Torvaldsconfig RWSEM_XCHGADD_ALGORITHM 9781da177e4SLinus Torvalds bool 9791da177e4SLinus Torvalds 980f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U32 981f0d1b0b3SDavid Howells bool 982f0d1b0b3SDavid Howells default n 983f0d1b0b3SDavid Howells 984f0d1b0b3SDavid Howellsconfig ARCH_HAS_ILOG2_U64 985f0d1b0b3SDavid Howells bool 986f0d1b0b3SDavid Howells default n 987f0d1b0b3SDavid Howells 9883c9ee7efSAkinobu Mitaconfig GENERIC_HWEIGHT 9893c9ee7efSAkinobu Mita bool 9903c9ee7efSAkinobu Mita default y 9913c9ee7efSAkinobu Mita 9921da177e4SLinus Torvaldsconfig GENERIC_CALIBRATE_DELAY 9931da177e4SLinus Torvalds bool 9941da177e4SLinus Torvalds default y 9951da177e4SLinus Torvalds 996ae1e9130SIngo Molnarconfig SCHED_OMIT_FRAME_POINTER 9971cc89038SAtsushi Nemoto bool 9981cc89038SAtsushi Nemoto default y 9991cc89038SAtsushi Nemoto 10001da177e4SLinus Torvalds# 10011da177e4SLinus Torvalds# Select some configuration options automatically based on user selections. 10021da177e4SLinus Torvalds# 10030e2794b0SRalf Baechleconfig FW_ARC 10041da177e4SLinus Torvalds bool 10051da177e4SLinus Torvalds 100661ed242dSRalf Baechleconfig ARCH_MAY_HAVE_PC_FDC 100761ed242dSRalf Baechle bool 100861ed242dSRalf Baechle 10099267a30dSMarc St-Jeanconfig BOOT_RAW 10109267a30dSMarc St-Jean bool 10119267a30dSMarc St-Jean 1012217dd11eSRalf Baechleconfig CEVT_BCM1480 1013217dd11eSRalf Baechle bool 1014217dd11eSRalf Baechle 10156457d9fcSYoichi Yuasaconfig CEVT_DS1287 10166457d9fcSYoichi Yuasa bool 10176457d9fcSYoichi Yuasa 10181097c6acSYoichi Yuasaconfig CEVT_GT641XX 10191097c6acSYoichi Yuasa bool 10201097c6acSYoichi Yuasa 102142f77542SRalf Baechleconfig CEVT_R4K 102242f77542SRalf Baechle bool 102342f77542SRalf Baechle 1024217dd11eSRalf Baechleconfig CEVT_SB1250 1025217dd11eSRalf Baechle bool 1026217dd11eSRalf Baechle 1027229f773eSAtsushi Nemotoconfig CEVT_TXX9 1028229f773eSAtsushi Nemoto bool 1029229f773eSAtsushi Nemoto 1030217dd11eSRalf Baechleconfig CSRC_BCM1480 1031217dd11eSRalf Baechle bool 1032217dd11eSRalf Baechle 10334247417dSYoichi Yuasaconfig CSRC_IOASIC 10344247417dSYoichi Yuasa bool 10354247417dSYoichi Yuasa 1036940f6b48SRalf Baechleconfig CSRC_R4K 1037940f6b48SRalf Baechle bool 1038940f6b48SRalf Baechle 1039217dd11eSRalf Baechleconfig CSRC_SB1250 1040217dd11eSRalf Baechle bool 1041217dd11eSRalf Baechle 1042a9aec7feSAtsushi Nemotoconfig GPIO_TXX9 10437444a72eSMichael Buesch select ARCH_REQUIRE_GPIOLIB 1044a9aec7feSAtsushi Nemoto bool 1045a9aec7feSAtsushi Nemoto 10460e2794b0SRalf Baechleconfig FW_CFE 1047df78b5c8SAurelien Jarno bool 1048df78b5c8SAurelien Jarno 10494bafad92SFUJITA Tomonoriconfig ARCH_DMA_ADDR_T_64BIT 105034adb28dSRalf Baechle def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT 10514bafad92SFUJITA Tomonori 105240e084a5SRalf Baechleconfig ARCH_SUPPORTS_UPROBES 105340e084a5SRalf Baechle bool 105440e084a5SRalf Baechle 1055885014bcSFelix Fietkauconfig DMA_MAYBE_COHERENT 1056885014bcSFelix Fietkau select DMA_NONCOHERENT 1057885014bcSFelix Fietkau bool 1058885014bcSFelix Fietkau 10591da177e4SLinus Torvaldsconfig DMA_COHERENT 10601da177e4SLinus Torvalds bool 10611da177e4SLinus Torvalds 10621da177e4SLinus Torvaldsconfig DMA_NONCOHERENT 10631da177e4SLinus Torvalds bool 1064e1e02b32SFUJITA Tomonori select NEED_DMA_MAP_STATE 10654ce588cdSRalf Baechle 1066e1e02b32SFUJITA Tomonoriconfig NEED_DMA_MAP_STATE 10674ce588cdSRalf Baechle bool 10681da177e4SLinus Torvalds 106936a88530SRalf Baechleconfig SYS_HAS_EARLY_PRINTK 10701da177e4SLinus Torvalds bool 10711da177e4SLinus Torvalds 1072dbb74540SRalf Baechleconfig HOTPLUG_CPU 10731b2bc75cSRalf Baechle bool "Support for hot-pluggable CPUs" 107440b31360SStephen Rothwell depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU 10751b2bc75cSRalf Baechle help 10761b2bc75cSRalf Baechle Say Y here to allow turning CPUs off and on. CPUs can be 10771b2bc75cSRalf Baechle controlled through /sys/devices/system/cpu. 10781b2bc75cSRalf Baechle (Note: power management support will enable this option 10791b2bc75cSRalf Baechle automatically on SMP systems. ) 10801b2bc75cSRalf Baechle Say N if you want to disable CPU hotplug. 10811b2bc75cSRalf Baechle 10821b2bc75cSRalf Baechleconfig SYS_SUPPORTS_HOTPLUG_CPU 1083dbb74540SRalf Baechle bool 1084dbb74540SRalf Baechle 10851da177e4SLinus Torvaldsconfig MIPS_BONITO64 10861da177e4SLinus Torvalds bool 10871da177e4SLinus Torvalds 10881da177e4SLinus Torvaldsconfig MIPS_MSC 10891da177e4SLinus Torvalds bool 10901da177e4SLinus Torvalds 10911f21d2bdSBrian Murphyconfig MIPS_NILE4 10921f21d2bdSBrian Murphy bool 10931f21d2bdSBrian Murphy 109439b8d525SRalf Baechleconfig SYNC_R4K 109539b8d525SRalf Baechle bool 109639b8d525SRalf Baechle 1097487d70d0SGabor Juhosconfig MIPS_MACHINE 1098487d70d0SGabor Juhos def_bool n 1099487d70d0SGabor Juhos 1100ce816fa8SUwe Kleine-Königconfig NO_IOPORT_MAP 1101d388d685SMaciej W. Rozycki def_bool n 1102d388d685SMaciej W. Rozycki 11034e0748f5SMarkos Chandrasconfig GENERIC_CSUM 11044e0748f5SMarkos Chandras bool 11054e0748f5SMarkos Chandras 11068313da30SRalf Baechleconfig GENERIC_ISA_DMA 11078313da30SRalf Baechle bool 11088313da30SRalf Baechle select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n 1109a35bee8aSNamhyung Kim select ISA_DMA_API 11108313da30SRalf Baechle 1111aa414dffSRalf Baechleconfig GENERIC_ISA_DMA_SUPPORT_BROKEN 1112aa414dffSRalf Baechle bool 11138313da30SRalf Baechle select GENERIC_ISA_DMA 1114aa414dffSRalf Baechle 1115a35bee8aSNamhyung Kimconfig ISA_DMA_API 1116a35bee8aSNamhyung Kim bool 1117a35bee8aSNamhyung Kim 1118465aaed0SDavid Daneyconfig HOLES_IN_ZONE 1119465aaed0SDavid Daney bool 1120465aaed0SDavid Daney 11215e83d430SRalf Baechle# 11226b2aac42SMasanari Iida# Endianness selection. Sufficiently obscure so many users don't know what to 11235e83d430SRalf Baechle# answer,so we try hard to limit the available choices. Also the use of a 11245e83d430SRalf Baechle# choice statement should be more obvious to the user. 11255e83d430SRalf Baechle# 11265e83d430SRalf Baechlechoice 11276b2aac42SMasanari Iida prompt "Endianness selection" 11281da177e4SLinus Torvalds help 11291da177e4SLinus Torvalds Some MIPS machines can be configured for either little or big endian 11305e83d430SRalf Baechle byte order. These modes require different kernels and a different 11313cb2fcccSMatt LaPlante Linux distribution. In general there is one preferred byteorder for a 11325e83d430SRalf Baechle particular system but some systems are just as commonly used in the 11333dde6ad8SDavid Sterba one or the other endianness. 11345e83d430SRalf Baechle 11355e83d430SRalf Baechleconfig CPU_BIG_ENDIAN 11365e83d430SRalf Baechle bool "Big endian" 11375e83d430SRalf Baechle depends on SYS_SUPPORTS_BIG_ENDIAN 11385e83d430SRalf Baechle 11395e83d430SRalf Baechleconfig CPU_LITTLE_ENDIAN 11405e83d430SRalf Baechle bool "Little endian" 11415e83d430SRalf Baechle depends on SYS_SUPPORTS_LITTLE_ENDIAN 11425e83d430SRalf Baechle 11435e83d430SRalf Baechleendchoice 11445e83d430SRalf Baechle 114522b0763aSDavid Daneyconfig EXPORT_UASM 114622b0763aSDavid Daney bool 114722b0763aSDavid Daney 11482116245eSRalf Baechleconfig SYS_SUPPORTS_APM_EMULATION 11492116245eSRalf Baechle bool 11502116245eSRalf Baechle 11515e83d430SRalf Baechleconfig SYS_SUPPORTS_BIG_ENDIAN 11525e83d430SRalf Baechle bool 11535e83d430SRalf Baechle 11545e83d430SRalf Baechleconfig SYS_SUPPORTS_LITTLE_ENDIAN 11555e83d430SRalf Baechle bool 11561da177e4SLinus Torvalds 11579cffd154SDavid Daneyconfig SYS_SUPPORTS_HUGETLBFS 11589cffd154SDavid Daney bool 11599cffd154SDavid Daney depends on CPU_SUPPORTS_HUGEPAGES && 64BIT 11609cffd154SDavid Daney default y 11619cffd154SDavid Daney 1162aa1762f4SDavid Daneyconfig MIPS_HUGE_TLB_SUPPORT 1163aa1762f4SDavid Daney def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE 1164aa1762f4SDavid Daney 11651da177e4SLinus Torvaldsconfig IRQ_CPU_RM7K 11661da177e4SLinus Torvalds bool 11671da177e4SLinus Torvalds 11689267a30dSMarc St-Jeanconfig IRQ_MSP_SLP 11699267a30dSMarc St-Jean bool 11709267a30dSMarc St-Jean 11719267a30dSMarc St-Jeanconfig IRQ_MSP_CIC 11729267a30dSMarc St-Jean bool 11739267a30dSMarc St-Jean 11748420fd00SAtsushi Nemotoconfig IRQ_TXX9 11758420fd00SAtsushi Nemoto bool 11768420fd00SAtsushi Nemoto 1177d5ab1a69SYoichi Yuasaconfig IRQ_GT641XX 1178d5ab1a69SYoichi Yuasa bool 1179d5ab1a69SYoichi Yuasa 1180252161ecSYoichi Yuasaconfig PCI_GT64XXX_PCI0 11811da177e4SLinus Torvalds bool 11821da177e4SLinus Torvalds 11839267a30dSMarc St-Jeanconfig NO_EXCEPT_FILL 11849267a30dSMarc St-Jean bool 11859267a30dSMarc St-Jean 1186a83860c2SRalf Baechleconfig SOC_EMMA2RH 1187a83860c2SRalf Baechle bool 1188a83860c2SRalf Baechle select CEVT_R4K 1189a83860c2SRalf Baechle select CSRC_R4K 1190a83860c2SRalf Baechle select DMA_NONCOHERENT 119167e38cf2SRalf Baechle select IRQ_MIPS_CPU 1192a83860c2SRalf Baechle select SWAP_IO_SPACE 1193a83860c2SRalf Baechle select SYS_HAS_CPU_R5500 1194a83860c2SRalf Baechle select SYS_SUPPORTS_32BIT_KERNEL 1195a83860c2SRalf Baechle select SYS_SUPPORTS_64BIT_KERNEL 1196a83860c2SRalf Baechle select SYS_SUPPORTS_BIG_ENDIAN 1197a83860c2SRalf Baechle 1198edb6310aSDaniel Lairdconfig SOC_PNX833X 1199edb6310aSDaniel Laird bool 1200edb6310aSDaniel Laird select CEVT_R4K 1201edb6310aSDaniel Laird select CSRC_R4K 120267e38cf2SRalf Baechle select IRQ_MIPS_CPU 1203edb6310aSDaniel Laird select DMA_NONCOHERENT 1204edb6310aSDaniel Laird select SYS_HAS_CPU_MIPS32_R2 1205edb6310aSDaniel Laird select SYS_SUPPORTS_32BIT_KERNEL 1206edb6310aSDaniel Laird select SYS_SUPPORTS_LITTLE_ENDIAN 1207edb6310aSDaniel Laird select SYS_SUPPORTS_BIG_ENDIAN 1208377cb1b6SRalf Baechle select SYS_SUPPORTS_MIPS16 1209edb6310aSDaniel Laird select CPU_MIPSR2_IRQ_VI 1210edb6310aSDaniel Laird 1211edb6310aSDaniel Lairdconfig SOC_PNX8335 1212edb6310aSDaniel Laird bool 1213edb6310aSDaniel Laird select SOC_PNX833X 1214edb6310aSDaniel Laird 1215a7e07b1aSMarkos Chandrasconfig MIPS_SPRAM 1216a7e07b1aSMarkos Chandras bool 1217a7e07b1aSMarkos Chandras 12181da177e4SLinus Torvaldsconfig SWAP_IO_SPACE 12191da177e4SLinus Torvalds bool 12201da177e4SLinus Torvalds 1221e2defae5SThomas Bogendoerferconfig SGI_HAS_INDYDOG 1222e2defae5SThomas Bogendoerfer bool 1223e2defae5SThomas Bogendoerfer 12245b438c44SThomas Bogendoerferconfig SGI_HAS_HAL2 12255b438c44SThomas Bogendoerfer bool 12265b438c44SThomas Bogendoerfer 1227e2defae5SThomas Bogendoerferconfig SGI_HAS_SEEQ 1228e2defae5SThomas Bogendoerfer bool 1229e2defae5SThomas Bogendoerfer 1230e2defae5SThomas Bogendoerferconfig SGI_HAS_WD93 1231e2defae5SThomas Bogendoerfer bool 1232e2defae5SThomas Bogendoerfer 1233e2defae5SThomas Bogendoerferconfig SGI_HAS_ZILOG 1234e2defae5SThomas Bogendoerfer bool 1235e2defae5SThomas Bogendoerfer 1236e2defae5SThomas Bogendoerferconfig SGI_HAS_I8042 1237e2defae5SThomas Bogendoerfer bool 1238e2defae5SThomas Bogendoerfer 1239e2defae5SThomas Bogendoerferconfig DEFAULT_SGI_PARTITION 1240e2defae5SThomas Bogendoerfer bool 1241e2defae5SThomas Bogendoerfer 12420e2794b0SRalf Baechleconfig FW_ARC32 12435e83d430SRalf Baechle bool 12445e83d430SRalf Baechle 1245aaa9fad3SPaul Bolleconfig FW_SNIPROM 1246231a35d3SThomas Bogendoerfer bool 1247231a35d3SThomas Bogendoerfer 12481da177e4SLinus Torvaldsconfig BOOT_ELF32 12491da177e4SLinus Torvalds bool 12501da177e4SLinus Torvalds 1251930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_4 1252930beb5aSFlorian Fainelli bool 1253930beb5aSFlorian Fainelli 1254930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_5 1255930beb5aSFlorian Fainelli bool 1256930beb5aSFlorian Fainelli 1257930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_6 1258930beb5aSFlorian Fainelli bool 1259930beb5aSFlorian Fainelli 1260930beb5aSFlorian Fainelliconfig MIPS_L1_CACHE_SHIFT_7 1261930beb5aSFlorian Fainelli bool 1262930beb5aSFlorian Fainelli 12631da177e4SLinus Torvaldsconfig MIPS_L1_CACHE_SHIFT 12641da177e4SLinus Torvalds int 1265a4c0201eSFlorian Fainelli default "7" if MIPS_L1_CACHE_SHIFT_7 12665432eeb6SKevin Cernekee default "6" if MIPS_L1_CACHE_SHIFT_6 12675432eeb6SKevin Cernekee default "5" if MIPS_L1_CACHE_SHIFT_5 12685432eeb6SKevin Cernekee default "4" if MIPS_L1_CACHE_SHIFT_4 12691da177e4SLinus Torvalds default "5" 12701da177e4SLinus Torvalds 12711da177e4SLinus Torvaldsconfig HAVE_STD_PC_SERIAL_PORT 12721da177e4SLinus Torvalds bool 12731da177e4SLinus Torvalds 12741da177e4SLinus Torvaldsconfig ARC_CONSOLE 12751da177e4SLinus Torvalds bool "ARC console support" 1276e2defae5SThomas Bogendoerfer depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN) 12771da177e4SLinus Torvalds 12781da177e4SLinus Torvaldsconfig ARC_MEMORY 12791da177e4SLinus Torvalds bool 128014b36af4SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP32 12811da177e4SLinus Torvalds default y 12821da177e4SLinus Torvalds 12831da177e4SLinus Torvaldsconfig ARC_PROMLIB 12841da177e4SLinus Torvalds bool 1285e2defae5SThomas Bogendoerfer depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32 12861da177e4SLinus Torvalds default y 12871da177e4SLinus Torvalds 12880e2794b0SRalf Baechleconfig FW_ARC64 12891da177e4SLinus Torvalds bool 12901da177e4SLinus Torvalds 12911da177e4SLinus Torvaldsconfig BOOT_ELF64 12921da177e4SLinus Torvalds bool 12931da177e4SLinus Torvalds 12941da177e4SLinus Torvaldsmenu "CPU selection" 12951da177e4SLinus Torvalds 12961da177e4SLinus Torvaldschoice 12971da177e4SLinus Torvalds prompt "CPU type" 12981da177e4SLinus Torvalds default CPU_R4X00 12991da177e4SLinus Torvalds 13000e476d91SHuacai Chenconfig CPU_LOONGSON3 13010e476d91SHuacai Chen bool "Loongson 3 CPU" 13020e476d91SHuacai Chen depends on SYS_HAS_CPU_LOONGSON3 13030e476d91SHuacai Chen select CPU_SUPPORTS_64BIT_KERNEL 13040e476d91SHuacai Chen select CPU_SUPPORTS_HIGHMEM 13050e476d91SHuacai Chen select CPU_SUPPORTS_HUGEPAGES 13060e476d91SHuacai Chen select WEAK_ORDERING 13070e476d91SHuacai Chen select WEAK_REORDERING_BEYOND_LLSC 1308cbfb3ea7SHuacai Chen select ARCH_REQUIRE_GPIOLIB 13090e476d91SHuacai Chen help 13100e476d91SHuacai Chen The Loongson 3 processor implements the MIPS64R2 instruction 13110e476d91SHuacai Chen set with many extensions. 13120e476d91SHuacai Chen 13133702bba5SWu Zhangjinconfig CPU_LOONGSON2E 13143702bba5SWu Zhangjin bool "Loongson 2E" 13153702bba5SWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2E 13163702bba5SWu Zhangjin select CPU_LOONGSON2 13172a21c730SFuxin Zhang help 13182a21c730SFuxin Zhang The Loongson 2E processor implements the MIPS III instruction set 13192a21c730SFuxin Zhang with many extensions. 13202a21c730SFuxin Zhang 132125985edcSLucas De Marchi It has an internal FPGA northbridge, which is compatible to 13226f7a251aSWu Zhangjin bonito64. 13236f7a251aSWu Zhangjin 13246f7a251aSWu Zhangjinconfig CPU_LOONGSON2F 13256f7a251aSWu Zhangjin bool "Loongson 2F" 13266f7a251aSWu Zhangjin depends on SYS_HAS_CPU_LOONGSON2F 13276f7a251aSWu Zhangjin select CPU_LOONGSON2 1328c197da91SArnaud Patard select ARCH_REQUIRE_GPIOLIB 13296f7a251aSWu Zhangjin help 13306f7a251aSWu Zhangjin The Loongson 2F processor implements the MIPS III instruction set 13316f7a251aSWu Zhangjin with many extensions. 13326f7a251aSWu Zhangjin 13336f7a251aSWu Zhangjin Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller 13346f7a251aSWu Zhangjin have a similar programming interface with FPGA northbridge used in 13356f7a251aSWu Zhangjin Loongson2E. 13366f7a251aSWu Zhangjin 1337ca585cf9SKelvin Cheungconfig CPU_LOONGSON1B 1338ca585cf9SKelvin Cheung bool "Loongson 1B" 1339ca585cf9SKelvin Cheung depends on SYS_HAS_CPU_LOONGSON1B 1340ca585cf9SKelvin Cheung select CPU_LOONGSON1 1341ca585cf9SKelvin Cheung help 1342ca585cf9SKelvin Cheung The Loongson 1B is a 32-bit SoC, which implements the MIPS32 1343ca585cf9SKelvin Cheung release 2 instruction set. 1344ca585cf9SKelvin Cheung 13456e760c8dSRalf Baechleconfig CPU_MIPS32_R1 13466e760c8dSRalf Baechle bool "MIPS32 Release 1" 13477cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R1 13486e760c8dSRalf Baechle select CPU_HAS_PREFETCH 1349797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1350ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 13516e760c8dSRalf Baechle help 13525e83d430SRalf Baechle Choose this option to build a kernel for release 1 or later of the 13531e5f1caaSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 13541e5f1caaSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 13551e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 13561e5f1caaSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 13571e5f1caaSRalf Baechle Release 2 of the MIPS32 architecture is available since several 13581e5f1caaSRalf Baechle years so chances are you even have a MIPS32 Release 2 processor 13591e5f1caaSRalf Baechle in which case you should choose CPU_MIPS32_R2 instead for better 13601e5f1caaSRalf Baechle performance. 13611e5f1caaSRalf Baechle 13621e5f1caaSRalf Baechleconfig CPU_MIPS32_R2 13631e5f1caaSRalf Baechle bool "MIPS32 Release 2" 13647cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS32_R2 13651e5f1caaSRalf Baechle select CPU_HAS_PREFETCH 1366797798c1SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 1367ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1368a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 13692235a54dSSanjay Lal select HAVE_KVM 13701e5f1caaSRalf Baechle help 13715e83d430SRalf Baechle Choose this option to build a kernel for release 2 or later of the 13726e760c8dSRalf Baechle MIPS32 architecture. Most modern embedded systems with a 32-bit 13736e760c8dSRalf Baechle MIPS processor are based on a MIPS32 processor. If you know the 13746e760c8dSRalf Baechle specific type of processor in your system, choose those that one 13756e760c8dSRalf Baechle otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system. 13761da177e4SLinus Torvalds 13777fd08ca5SLeonid Yegoshinconfig CPU_MIPS32_R6 1378674d10e2SMarkos Chandras bool "MIPS32 Release 6" 13797fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R6 13807fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 13817fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 13827fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 13837fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 13844e0748f5SMarkos Chandras select GENERIC_CSUM 13857fd08ca5SLeonid Yegoshin select HAVE_KVM 13867fd08ca5SLeonid Yegoshin select MIPS_O32_FP64_SUPPORT 13877fd08ca5SLeonid Yegoshin help 13887fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 13897fd08ca5SLeonid Yegoshin MIPS32 architecture. New MIPS processors, starting with the Warrior 13907fd08ca5SLeonid Yegoshin family, are based on a MIPS32r6 processor. If you own an older 13917fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS32r1 or MIPS32r2 instead. 13927fd08ca5SLeonid Yegoshin 13936e760c8dSRalf Baechleconfig CPU_MIPS64_R1 13946e760c8dSRalf Baechle bool "MIPS64 Release 1" 13957cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R1 1396797798c1SRalf Baechle select CPU_HAS_PREFETCH 1397ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1398ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1399ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14009cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 14016e760c8dSRalf Baechle help 14026e760c8dSRalf Baechle Choose this option to build a kernel for release 1 or later of the 14036e760c8dSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 14046e760c8dSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 14056e760c8dSRalf Baechle specific type of processor in your system, choose those that one 14066e760c8dSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 14071e5f1caaSRalf Baechle Release 2 of the MIPS64 architecture is available since several 14081e5f1caaSRalf Baechle years so chances are you even have a MIPS64 Release 2 processor 14091e5f1caaSRalf Baechle in which case you should choose CPU_MIPS64_R2 instead for better 14101e5f1caaSRalf Baechle performance. 14111e5f1caaSRalf Baechle 14121e5f1caaSRalf Baechleconfig CPU_MIPS64_R2 14131e5f1caaSRalf Baechle bool "MIPS64 Release 2" 14147cf8053bSRalf Baechle depends on SYS_HAS_CPU_MIPS64_R2 1415797798c1SRalf Baechle select CPU_HAS_PREFETCH 14161e5f1caaSRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 14171e5f1caaSRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1418ec28f306SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14199cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1420a5e9a69eSPaul Burton select CPU_SUPPORTS_MSA 14211e5f1caaSRalf Baechle help 14221e5f1caaSRalf Baechle Choose this option to build a kernel for release 2 or later of the 14231e5f1caaSRalf Baechle MIPS64 architecture. Many modern embedded systems with a 64-bit 14241e5f1caaSRalf Baechle MIPS processor are based on a MIPS64 processor. If you know the 14251e5f1caaSRalf Baechle specific type of processor in your system, choose those that one 14261e5f1caaSRalf Baechle otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system. 14271da177e4SLinus Torvalds 14287fd08ca5SLeonid Yegoshinconfig CPU_MIPS64_R6 1429674d10e2SMarkos Chandras bool "MIPS64 Release 6" 14307fd08ca5SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS64_R6 14317fd08ca5SLeonid Yegoshin select CPU_HAS_PREFETCH 14327fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_32BIT_KERNEL 14337fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_64BIT_KERNEL 14347fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_HIGHMEM 14357fd08ca5SLeonid Yegoshin select CPU_SUPPORTS_MSA 14364e0748f5SMarkos Chandras select GENERIC_CSUM 14374e9d324dSPaul Burton select MIPS_O32_FP64_SUPPORT if MIPS32_O32 14387fd08ca5SLeonid Yegoshin help 14397fd08ca5SLeonid Yegoshin Choose this option to build a kernel for release 6 or later of the 14407fd08ca5SLeonid Yegoshin MIPS64 architecture. New MIPS processors, starting with the Warrior 14417fd08ca5SLeonid Yegoshin family, are based on a MIPS64r6 processor. If you own an older 14427fd08ca5SLeonid Yegoshin processor, you probably need to select MIPS64r1 or MIPS64r2 instead. 14437fd08ca5SLeonid Yegoshin 14441da177e4SLinus Torvaldsconfig CPU_R3000 14451da177e4SLinus Torvalds bool "R3000" 14467cf8053bSRalf Baechle depends on SYS_HAS_CPU_R3000 1447f7062ddbSRalf Baechle select CPU_HAS_WB 1448ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1449797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 14501da177e4SLinus Torvalds help 14511da177e4SLinus Torvalds Please make sure to pick the right CPU type. Linux/MIPS is not 14521da177e4SLinus Torvalds designed to be generic, i.e. Kernels compiled for R3000 CPUs will 14531da177e4SLinus Torvalds *not* work on R4000 machines and vice versa. However, since most 14541da177e4SLinus Torvalds of the supported machines have an R4000 (or similar) CPU, R4x00 14551da177e4SLinus Torvalds might be a safe bet. If the resulting kernel does not work, 14561da177e4SLinus Torvalds try to recompile with R3000. 14571da177e4SLinus Torvalds 14581da177e4SLinus Torvaldsconfig CPU_TX39XX 14591da177e4SLinus Torvalds bool "R39XX" 14607cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX39XX 1461ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 14621da177e4SLinus Torvalds 14631da177e4SLinus Torvaldsconfig CPU_VR41XX 14641da177e4SLinus Torvalds bool "R41xx" 14657cf8053bSRalf Baechle depends on SYS_HAS_CPU_VR41XX 1466ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1467ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 14681da177e4SLinus Torvalds help 14695e83d430SRalf Baechle The options selects support for the NEC VR4100 series of processors. 14701da177e4SLinus Torvalds Only choose this option if you have one of these processors as a 14711da177e4SLinus Torvalds kernel built with this option will not run on any other type of 14721da177e4SLinus Torvalds processor or vice versa. 14731da177e4SLinus Torvalds 14741da177e4SLinus Torvaldsconfig CPU_R4300 14751da177e4SLinus Torvalds bool "R4300" 14767cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4300 1477ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1478ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 14791da177e4SLinus Torvalds help 14801da177e4SLinus Torvalds MIPS Technologies R4300-series processors. 14811da177e4SLinus Torvalds 14821da177e4SLinus Torvaldsconfig CPU_R4X00 14831da177e4SLinus Torvalds bool "R4x00" 14847cf8053bSRalf Baechle depends on SYS_HAS_CPU_R4X00 1485ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1486ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1487970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14881da177e4SLinus Torvalds help 14891da177e4SLinus Torvalds MIPS Technologies R4000-series processors other than 4300, including 14901da177e4SLinus Torvalds the R4000, R4400, R4600, and 4700. 14911da177e4SLinus Torvalds 14921da177e4SLinus Torvaldsconfig CPU_TX49XX 14931da177e4SLinus Torvalds bool "R49XX" 14947cf8053bSRalf Baechle depends on SYS_HAS_CPU_TX49XX 1495de862b48SAtsushi Nemoto select CPU_HAS_PREFETCH 1496ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1497ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1498970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 14991da177e4SLinus Torvalds 15001da177e4SLinus Torvaldsconfig CPU_R5000 15011da177e4SLinus Torvalds bool "R5000" 15027cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5000 1503ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1504ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1505970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15061da177e4SLinus Torvalds help 15071da177e4SLinus Torvalds MIPS Technologies R5000-series processors other than the Nevada. 15081da177e4SLinus Torvalds 15091da177e4SLinus Torvaldsconfig CPU_R5432 15101da177e4SLinus Torvalds bool "R5432" 15117cf8053bSRalf Baechle depends on SYS_HAS_CPU_R5432 15125e83d430SRalf Baechle select CPU_SUPPORTS_32BIT_KERNEL 15135e83d430SRalf Baechle select CPU_SUPPORTS_64BIT_KERNEL 1514970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15151da177e4SLinus Torvalds 1516542c1020SShinya Kuribayashiconfig CPU_R5500 1517542c1020SShinya Kuribayashi bool "R5500" 1518542c1020SShinya Kuribayashi depends on SYS_HAS_CPU_R5500 1519542c1020SShinya Kuribayashi select CPU_SUPPORTS_32BIT_KERNEL 1520542c1020SShinya Kuribayashi select CPU_SUPPORTS_64BIT_KERNEL 15219cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1522542c1020SShinya Kuribayashi help 1523542c1020SShinya Kuribayashi NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV 1524542c1020SShinya Kuribayashi instruction set. 1525542c1020SShinya Kuribayashi 15261da177e4SLinus Torvaldsconfig CPU_R6000 15271da177e4SLinus Torvalds bool "R6000" 15287cf8053bSRalf Baechle depends on SYS_HAS_CPU_R6000 1529ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 15301da177e4SLinus Torvalds help 15311da177e4SLinus Torvalds MIPS Technologies R6000 and R6000A series processors. Note these 1532c09b47d8SChris Dearman processors are extremely rare and the support for them is incomplete. 15331da177e4SLinus Torvalds 15341da177e4SLinus Torvaldsconfig CPU_NEVADA 15351da177e4SLinus Torvalds bool "RM52xx" 15367cf8053bSRalf Baechle depends on SYS_HAS_CPU_NEVADA 1537ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1538ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1539970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15401da177e4SLinus Torvalds help 15411da177e4SLinus Torvalds QED / PMC-Sierra RM52xx-series ("Nevada") processors. 15421da177e4SLinus Torvalds 15431da177e4SLinus Torvaldsconfig CPU_R8000 15441da177e4SLinus Torvalds bool "R8000" 15457cf8053bSRalf Baechle depends on SYS_HAS_CPU_R8000 15465e83d430SRalf Baechle select CPU_HAS_PREFETCH 1547ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 15481da177e4SLinus Torvalds help 15491da177e4SLinus Torvalds MIPS Technologies R8000 processors. Note these processors are 15501da177e4SLinus Torvalds uncommon and the support for them is incomplete. 15511da177e4SLinus Torvalds 15521da177e4SLinus Torvaldsconfig CPU_R10000 15531da177e4SLinus Torvalds bool "R10000" 15547cf8053bSRalf Baechle depends on SYS_HAS_CPU_R10000 15555e83d430SRalf Baechle select CPU_HAS_PREFETCH 1556ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1557ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1558797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1559970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15601da177e4SLinus Torvalds help 15611da177e4SLinus Torvalds MIPS Technologies R10000-series processors. 15621da177e4SLinus Torvalds 15631da177e4SLinus Torvaldsconfig CPU_RM7000 15641da177e4SLinus Torvalds bool "RM7000" 15657cf8053bSRalf Baechle depends on SYS_HAS_CPU_RM7000 15665e83d430SRalf Baechle select CPU_HAS_PREFETCH 1567ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1568ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1569797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1570970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15711da177e4SLinus Torvalds 15721da177e4SLinus Torvaldsconfig CPU_SB1 15731da177e4SLinus Torvalds bool "SB1" 15747cf8053bSRalf Baechle depends on SYS_HAS_CPU_SB1 1575ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_32BIT_KERNEL 1576ed5ba2fbSYoichi Yuasa select CPU_SUPPORTS_64BIT_KERNEL 1577797798c1SRalf Baechle select CPU_SUPPORTS_HIGHMEM 1578970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 15790004a9dfSRalf Baechle select WEAK_ORDERING 15801da177e4SLinus Torvalds 1581a86c7f72SDavid Daneyconfig CPU_CAVIUM_OCTEON 1582a86c7f72SDavid Daney bool "Cavium Octeon processor" 15835e683389SDavid Daney depends on SYS_HAS_CPU_CAVIUM_OCTEON 1584a86c7f72SDavid Daney select CPU_HAS_PREFETCH 1585a86c7f72SDavid Daney select CPU_SUPPORTS_64BIT_KERNEL 1586a86c7f72SDavid Daney select WEAK_ORDERING 1587a86c7f72SDavid Daney select CPU_SUPPORTS_HIGHMEM 15889cffd154SDavid Daney select CPU_SUPPORTS_HUGEPAGES 1589df115f3eSBen Hutchings select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1590df115f3eSBen Hutchings select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN 1591930beb5aSFlorian Fainelli select MIPS_L1_CACHE_SHIFT_7 1592a86c7f72SDavid Daney help 1593a86c7f72SDavid Daney The Cavium Octeon processor is a highly integrated chip containing 1594a86c7f72SDavid Daney many ethernet hardware widgets for networking tasks. The processor 1595a86c7f72SDavid Daney can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets. 1596a86c7f72SDavid Daney Full details can be found at http://www.caviumnetworks.com. 1597a86c7f72SDavid Daney 1598cd746249SJonas Gorskiconfig CPU_BMIPS 1599cd746249SJonas Gorski bool "Broadcom BMIPS" 1600cd746249SJonas Gorski depends on SYS_HAS_CPU_BMIPS 1601cd746249SJonas Gorski select CPU_MIPS32 1602fe7f62c0SJonas Gorski select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300 1603cd746249SJonas Gorski select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350 1604cd746249SJonas Gorski select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380 1605cd746249SJonas Gorski select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000 1606cd746249SJonas Gorski select CPU_SUPPORTS_32BIT_KERNEL 1607cd746249SJonas Gorski select DMA_NONCOHERENT 160867e38cf2SRalf Baechle select IRQ_MIPS_CPU 1609cd746249SJonas Gorski select SWAP_IO_SPACE 1610cd746249SJonas Gorski select WEAK_ORDERING 1611c1c0c461SKevin Cernekee select CPU_SUPPORTS_HIGHMEM 161269aaf9c8SJonas Gorski select CPU_HAS_PREFETCH 1613c1c0c461SKevin Cernekee help 1614fe7f62c0SJonas Gorski Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors. 1615c1c0c461SKevin Cernekee 16167f058e85SJayachandran Cconfig CPU_XLR 16177f058e85SJayachandran C bool "Netlogic XLR SoC" 16187f058e85SJayachandran C depends on SYS_HAS_CPU_XLR 16197f058e85SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 16207f058e85SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 16217f058e85SJayachandran C select CPU_SUPPORTS_HIGHMEM 1622970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 16237f058e85SJayachandran C select WEAK_ORDERING 16247f058e85SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 16257f058e85SJayachandran C help 16267f058e85SJayachandran C Netlogic Microsystems XLR/XLS processors. 16271c773ea4SJayachandran C 16281c773ea4SJayachandran Cconfig CPU_XLP 16291c773ea4SJayachandran C bool "Netlogic XLP SoC" 16301c773ea4SJayachandran C depends on SYS_HAS_CPU_XLP 16311c773ea4SJayachandran C select CPU_SUPPORTS_32BIT_KERNEL 16321c773ea4SJayachandran C select CPU_SUPPORTS_64BIT_KERNEL 16331c773ea4SJayachandran C select CPU_SUPPORTS_HIGHMEM 16341c773ea4SJayachandran C select WEAK_ORDERING 16351c773ea4SJayachandran C select WEAK_REORDERING_BEYOND_LLSC 16361c773ea4SJayachandran C select CPU_HAS_PREFETCH 1637d6504846SJayachandran C select CPU_MIPSR2 1638ddba6833SPrem Mallappa select CPU_SUPPORTS_HUGEPAGES 16391c773ea4SJayachandran C help 16401c773ea4SJayachandran C Netlogic Microsystems XLP processors. 16411da177e4SLinus Torvaldsendchoice 16421da177e4SLinus Torvalds 1643a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_FEATURES 1644a6e18781SLeonid Yegoshin bool "MIPS32 Release 3.5 Features" 1645a6e18781SLeonid Yegoshin depends on SYS_HAS_CPU_MIPS32_R3_5 16467fd08ca5SLeonid Yegoshin depends on CPU_MIPS32_R2 || CPU_MIPS32_R6 1647a6e18781SLeonid Yegoshin help 1648a6e18781SLeonid Yegoshin Choose this option to build a kernel for release 2 or later of the 1649a6e18781SLeonid Yegoshin MIPS32 architecture including features from the 3.5 release such as 1650a6e18781SLeonid Yegoshin support for Enhanced Virtual Addressing (EVA). 1651a6e18781SLeonid Yegoshin 1652a6e18781SLeonid Yegoshinconfig CPU_MIPS32_3_5_EVA 1653a6e18781SLeonid Yegoshin bool "Enhanced Virtual Addressing (EVA)" 1654a6e18781SLeonid Yegoshin depends on CPU_MIPS32_3_5_FEATURES 1655a6e18781SLeonid Yegoshin select EVA 1656a6e18781SLeonid Yegoshin default y 1657a6e18781SLeonid Yegoshin help 1658a6e18781SLeonid Yegoshin Choose this option if you want to enable the Enhanced Virtual 1659a6e18781SLeonid Yegoshin Addressing (EVA) on your MIPS32 core (such as proAptiv). 1660a6e18781SLeonid Yegoshin One of its primary benefits is an increase in the maximum size 1661a6e18781SLeonid Yegoshin of lowmem (up to 3GB). If unsure, say 'N' here. 1662a6e18781SLeonid Yegoshin 1663c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_FEATURES 1664c5b36783SSteven J. Hill bool "MIPS32 Release 5 Features" 1665c5b36783SSteven J. Hill depends on SYS_HAS_CPU_MIPS32_R5 1666c5b36783SSteven J. Hill depends on CPU_MIPS32_R2 1667c5b36783SSteven J. Hill help 1668c5b36783SSteven J. Hill Choose this option to build a kernel for release 2 or later of the 1669c5b36783SSteven J. Hill MIPS32 architecture including features from release 5 such as 1670c5b36783SSteven J. Hill support for Extended Physical Addressing (XPA). 1671c5b36783SSteven J. Hill 1672c5b36783SSteven J. Hillconfig CPU_MIPS32_R5_XPA 1673c5b36783SSteven J. Hill bool "Extended Physical Addressing (XPA)" 1674c5b36783SSteven J. Hill depends on CPU_MIPS32_R5_FEATURES 1675c5b36783SSteven J. Hill depends on !EVA 1676c5b36783SSteven J. Hill depends on !PAGE_SIZE_4KB 1677c5b36783SSteven J. Hill depends on SYS_SUPPORTS_HIGHMEM 1678c5b36783SSteven J. Hill select XPA 1679c5b36783SSteven J. Hill select HIGHMEM 1680c5b36783SSteven J. Hill select ARCH_PHYS_ADDR_T_64BIT 1681c5b36783SSteven J. Hill default n 1682c5b36783SSteven J. Hill help 1683c5b36783SSteven J. Hill Choose this option if you want to enable the Extended Physical 1684c5b36783SSteven J. Hill Addressing (XPA) on your MIPS32 core (such as P5600 series). The 1685c5b36783SSteven J. Hill benefit is to increase physical addressing equal to or greater 1686c5b36783SSteven J. Hill than 40 bits. Note that this has the side effect of turning on 1687c5b36783SSteven J. Hill 64-bit addressing which in turn makes the PTEs 64-bit in size. 1688c5b36783SSteven J. Hill If unsure, say 'N' here. 1689c5b36783SSteven J. Hill 1690622844bfSWu Zhangjinif CPU_LOONGSON2F 1691622844bfSWu Zhangjinconfig CPU_NOP_WORKAROUNDS 1692622844bfSWu Zhangjin bool 1693622844bfSWu Zhangjin 1694622844bfSWu Zhangjinconfig CPU_JUMP_WORKAROUNDS 1695622844bfSWu Zhangjin bool 1696622844bfSWu Zhangjin 1697622844bfSWu Zhangjinconfig CPU_LOONGSON2F_WORKAROUNDS 1698622844bfSWu Zhangjin bool "Loongson 2F Workarounds" 1699622844bfSWu Zhangjin default y 1700622844bfSWu Zhangjin select CPU_NOP_WORKAROUNDS 1701622844bfSWu Zhangjin select CPU_JUMP_WORKAROUNDS 1702622844bfSWu Zhangjin help 1703622844bfSWu Zhangjin Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which 1704622844bfSWu Zhangjin require workarounds. Without workarounds the system may hang 1705622844bfSWu Zhangjin unexpectedly. For more information please refer to the gas 1706622844bfSWu Zhangjin -mfix-loongson2f-nop and -mfix-loongson2f-jump options. 1707622844bfSWu Zhangjin 1708622844bfSWu Zhangjin Loongson 2F03 and later have fixed these issues and no workarounds 1709622844bfSWu Zhangjin are needed. The workarounds have no significant side effect on them 1710622844bfSWu Zhangjin but may decrease the performance of the system so this option should 1711622844bfSWu Zhangjin be disabled unless the kernel is intended to be run on 2F01 or 2F02 1712622844bfSWu Zhangjin systems. 1713622844bfSWu Zhangjin 1714622844bfSWu Zhangjin If unsure, please say Y. 1715622844bfSWu Zhangjinendif # CPU_LOONGSON2F 1716622844bfSWu Zhangjin 17171b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT 17181b93b3c3SWu Zhangjin bool 17191b93b3c3SWu Zhangjin select HAVE_KERNEL_GZIP 17201b93b3c3SWu Zhangjin select HAVE_KERNEL_BZIP2 172131c4867dSFlorian Fainelli select HAVE_KERNEL_LZ4 17221b93b3c3SWu Zhangjin select HAVE_KERNEL_LZMA 1723fe1d45e0SWu Zhangjin select HAVE_KERNEL_LZO 17244e23eb63SFlorian Fainelli select HAVE_KERNEL_XZ 17251b93b3c3SWu Zhangjin 17261b93b3c3SWu Zhangjinconfig SYS_SUPPORTS_ZBOOT_UART16550 17271b93b3c3SWu Zhangjin bool 17281b93b3c3SWu Zhangjin select SYS_SUPPORTS_ZBOOT 17291b93b3c3SWu Zhangjin 17303702bba5SWu Zhangjinconfig CPU_LOONGSON2 17313702bba5SWu Zhangjin bool 17323702bba5SWu Zhangjin select CPU_SUPPORTS_32BIT_KERNEL 17333702bba5SWu Zhangjin select CPU_SUPPORTS_64BIT_KERNEL 17343702bba5SWu Zhangjin select CPU_SUPPORTS_HIGHMEM 1735970d032fSRalf Baechle select CPU_SUPPORTS_HUGEPAGES 17363702bba5SWu Zhangjin 1737ca585cf9SKelvin Cheungconfig CPU_LOONGSON1 1738ca585cf9SKelvin Cheung bool 1739ca585cf9SKelvin Cheung select CPU_MIPS32 1740ca585cf9SKelvin Cheung select CPU_MIPSR2 1741ca585cf9SKelvin Cheung select CPU_HAS_PREFETCH 1742ca585cf9SKelvin Cheung select CPU_SUPPORTS_32BIT_KERNEL 1743ca585cf9SKelvin Cheung select CPU_SUPPORTS_HIGHMEM 1744f29ad10dSKelvin Cheung select CPU_SUPPORTS_CPUFREQ 1745ca585cf9SKelvin Cheung 1746fe7f62c0SJonas Gorskiconfig CPU_BMIPS32_3300 174704fa8bf7SJonas Gorski select SMP_UP if SMP 17481bbb6c1bSKevin Cernekee bool 1749cd746249SJonas Gorski 1750cd746249SJonas Gorskiconfig CPU_BMIPS4350 1751cd746249SJonas Gorski bool 1752cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1753cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1754cd746249SJonas Gorski 1755cd746249SJonas Gorskiconfig CPU_BMIPS4380 1756cd746249SJonas Gorski bool 1757bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_6 1758cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1759cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 1760cd746249SJonas Gorski 1761cd746249SJonas Gorskiconfig CPU_BMIPS5000 1762cd746249SJonas Gorski bool 1763cd746249SJonas Gorski select MIPS_CPU_SCACHE 1764bbf2ba67SKevin Cernekee select MIPS_L1_CACHE_SHIFT_7 1765cd746249SJonas Gorski select SYS_SUPPORTS_SMP 1766cd746249SJonas Gorski select SYS_SUPPORTS_HOTPLUG_CPU 17671bbb6c1bSKevin Cernekee 17680e476d91SHuacai Chenconfig SYS_HAS_CPU_LOONGSON3 17690e476d91SHuacai Chen bool 17700e476d91SHuacai Chen select CPU_SUPPORTS_CPUFREQ 17710e476d91SHuacai Chen 17723702bba5SWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2E 17732a21c730SFuxin Zhang bool 17742a21c730SFuxin Zhang 17756f7a251aSWu Zhangjinconfig SYS_HAS_CPU_LOONGSON2F 17766f7a251aSWu Zhangjin bool 177755045ff5SWu Zhangjin select CPU_SUPPORTS_CPUFREQ 177855045ff5SWu Zhangjin select CPU_SUPPORTS_ADDRWINCFG if 64BIT 177922f1fdfdSWu Zhangjin select CPU_SUPPORTS_UNCACHED_ACCELERATED 17806f7a251aSWu Zhangjin 1781ca585cf9SKelvin Cheungconfig SYS_HAS_CPU_LOONGSON1B 1782ca585cf9SKelvin Cheung bool 1783ca585cf9SKelvin Cheung 17847cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R1 17857cf8053bSRalf Baechle bool 17867cf8053bSRalf Baechle 17877cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS32_R2 17887cf8053bSRalf Baechle bool 17897cf8053bSRalf Baechle 1790a6e18781SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R3_5 1791a6e18781SLeonid Yegoshin bool 1792a6e18781SLeonid Yegoshin 1793c5b36783SSteven J. Hillconfig SYS_HAS_CPU_MIPS32_R5 1794c5b36783SSteven J. Hill bool 1795c5b36783SSteven J. Hill 17967fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS32_R6 17977fd08ca5SLeonid Yegoshin bool 17987fd08ca5SLeonid Yegoshin 17997cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R1 18007cf8053bSRalf Baechle bool 18017cf8053bSRalf Baechle 18027cf8053bSRalf Baechleconfig SYS_HAS_CPU_MIPS64_R2 18037cf8053bSRalf Baechle bool 18047cf8053bSRalf Baechle 18057fd08ca5SLeonid Yegoshinconfig SYS_HAS_CPU_MIPS64_R6 18067fd08ca5SLeonid Yegoshin bool 18077fd08ca5SLeonid Yegoshin 18087cf8053bSRalf Baechleconfig SYS_HAS_CPU_R3000 18097cf8053bSRalf Baechle bool 18107cf8053bSRalf Baechle 18117cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX39XX 18127cf8053bSRalf Baechle bool 18137cf8053bSRalf Baechle 18147cf8053bSRalf Baechleconfig SYS_HAS_CPU_VR41XX 18157cf8053bSRalf Baechle bool 18167cf8053bSRalf Baechle 18177cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4300 18187cf8053bSRalf Baechle bool 18197cf8053bSRalf Baechle 18207cf8053bSRalf Baechleconfig SYS_HAS_CPU_R4X00 18217cf8053bSRalf Baechle bool 18227cf8053bSRalf Baechle 18237cf8053bSRalf Baechleconfig SYS_HAS_CPU_TX49XX 18247cf8053bSRalf Baechle bool 18257cf8053bSRalf Baechle 18267cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5000 18277cf8053bSRalf Baechle bool 18287cf8053bSRalf Baechle 18297cf8053bSRalf Baechleconfig SYS_HAS_CPU_R5432 18307cf8053bSRalf Baechle bool 18317cf8053bSRalf Baechle 1832542c1020SShinya Kuribayashiconfig SYS_HAS_CPU_R5500 1833542c1020SShinya Kuribayashi bool 1834542c1020SShinya Kuribayashi 18357cf8053bSRalf Baechleconfig SYS_HAS_CPU_R6000 18367cf8053bSRalf Baechle bool 18377cf8053bSRalf Baechle 18387cf8053bSRalf Baechleconfig SYS_HAS_CPU_NEVADA 18397cf8053bSRalf Baechle bool 18407cf8053bSRalf Baechle 18417cf8053bSRalf Baechleconfig SYS_HAS_CPU_R8000 18427cf8053bSRalf Baechle bool 18437cf8053bSRalf Baechle 18447cf8053bSRalf Baechleconfig SYS_HAS_CPU_R10000 18457cf8053bSRalf Baechle bool 18467cf8053bSRalf Baechle 18477cf8053bSRalf Baechleconfig SYS_HAS_CPU_RM7000 18487cf8053bSRalf Baechle bool 18497cf8053bSRalf Baechle 18507cf8053bSRalf Baechleconfig SYS_HAS_CPU_SB1 18517cf8053bSRalf Baechle bool 18527cf8053bSRalf Baechle 18535e683389SDavid Daneyconfig SYS_HAS_CPU_CAVIUM_OCTEON 18545e683389SDavid Daney bool 18555e683389SDavid Daney 1856cd746249SJonas Gorskiconfig SYS_HAS_CPU_BMIPS 1857c1c0c461SKevin Cernekee bool 1858c1c0c461SKevin Cernekee 1859fe7f62c0SJonas Gorskiconfig SYS_HAS_CPU_BMIPS32_3300 1860c1c0c461SKevin Cernekee bool 1861cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1862c1c0c461SKevin Cernekee 1863c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4350 1864c1c0c461SKevin Cernekee bool 1865cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1866c1c0c461SKevin Cernekee 1867c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS4380 1868c1c0c461SKevin Cernekee bool 1869cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1870c1c0c461SKevin Cernekee 1871c1c0c461SKevin Cernekeeconfig SYS_HAS_CPU_BMIPS5000 1872c1c0c461SKevin Cernekee bool 1873cd746249SJonas Gorski select SYS_HAS_CPU_BMIPS 1874c1c0c461SKevin Cernekee 18757f058e85SJayachandran Cconfig SYS_HAS_CPU_XLR 18767f058e85SJayachandran C bool 18777f058e85SJayachandran C 18781c773ea4SJayachandran Cconfig SYS_HAS_CPU_XLP 18791c773ea4SJayachandran C bool 18801c773ea4SJayachandran C 1881b6911bbaSPaul Burtonconfig MIPS_MALTA_PM 1882b6911bbaSPaul Burton depends on MIPS_MALTA 1883b6911bbaSPaul Burton depends on PCI 1884b6911bbaSPaul Burton bool 1885b6911bbaSPaul Burton default y 1886b6911bbaSPaul Burton 188717099b11SRalf Baechle# 188817099b11SRalf Baechle# CPU may reorder R->R, R->W, W->R, W->W 188917099b11SRalf Baechle# Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC 189017099b11SRalf Baechle# 18910004a9dfSRalf Baechleconfig WEAK_ORDERING 18920004a9dfSRalf Baechle bool 189317099b11SRalf Baechle 189417099b11SRalf Baechle# 189517099b11SRalf Baechle# CPU may reorder reads and writes beyond LL/SC 189617099b11SRalf Baechle# CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC 189717099b11SRalf Baechle# 189817099b11SRalf Baechleconfig WEAK_REORDERING_BEYOND_LLSC 189917099b11SRalf Baechle bool 19005e83d430SRalf Baechleendmenu 19015e83d430SRalf Baechle 19025e83d430SRalf Baechle# 19035e83d430SRalf Baechle# These two indicate any level of the MIPS32 and MIPS64 architecture 19045e83d430SRalf Baechle# 19055e83d430SRalf Baechleconfig CPU_MIPS32 19065e83d430SRalf Baechle bool 19077fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6 19085e83d430SRalf Baechle 19095e83d430SRalf Baechleconfig CPU_MIPS64 19105e83d430SRalf Baechle bool 19117fd08ca5SLeonid Yegoshin default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6 19125e83d430SRalf Baechle 19135e83d430SRalf Baechle# 1914c09b47d8SChris Dearman# These two indicate the revision of the architecture, either Release 1 or Release 2 19155e83d430SRalf Baechle# 19165e83d430SRalf Baechleconfig CPU_MIPSR1 19175e83d430SRalf Baechle bool 19185e83d430SRalf Baechle default y if CPU_MIPS32_R1 || CPU_MIPS64_R1 19195e83d430SRalf Baechle 19205e83d430SRalf Baechleconfig CPU_MIPSR2 19215e83d430SRalf Baechle bool 1922a86c7f72SDavid Daney default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON 1923a7e07b1aSMarkos Chandras select MIPS_SPRAM 19245e83d430SRalf Baechle 19257fd08ca5SLeonid Yegoshinconfig CPU_MIPSR6 19267fd08ca5SLeonid Yegoshin bool 19277fd08ca5SLeonid Yegoshin default y if CPU_MIPS32_R6 || CPU_MIPS64_R6 1928a7e07b1aSMarkos Chandras select MIPS_SPRAM 19295e83d430SRalf Baechle 1930a6e18781SLeonid Yegoshinconfig EVA 1931a6e18781SLeonid Yegoshin bool 1932a6e18781SLeonid Yegoshin 1933c5b36783SSteven J. Hillconfig XPA 1934c5b36783SSteven J. Hill bool 1935c5b36783SSteven J. Hill 19365e83d430SRalf Baechleconfig SYS_SUPPORTS_32BIT_KERNEL 19375e83d430SRalf Baechle bool 19385e83d430SRalf Baechleconfig SYS_SUPPORTS_64BIT_KERNEL 19395e83d430SRalf Baechle bool 19405e83d430SRalf Baechleconfig CPU_SUPPORTS_32BIT_KERNEL 19415e83d430SRalf Baechle bool 19425e83d430SRalf Baechleconfig CPU_SUPPORTS_64BIT_KERNEL 19435e83d430SRalf Baechle bool 194455045ff5SWu Zhangjinconfig CPU_SUPPORTS_CPUFREQ 194555045ff5SWu Zhangjin bool 194655045ff5SWu Zhangjinconfig CPU_SUPPORTS_ADDRWINCFG 194755045ff5SWu Zhangjin bool 19489cffd154SDavid Daneyconfig CPU_SUPPORTS_HUGEPAGES 19499cffd154SDavid Daney bool 195022f1fdfdSWu Zhangjinconfig CPU_SUPPORTS_UNCACHED_ACCELERATED 195122f1fdfdSWu Zhangjin bool 195282622284SDavid Daneyconfig MIPS_PGD_C0_CONTEXT 195382622284SDavid Daney bool 1954d6504846SJayachandran C default y if 64BIT && CPU_MIPSR2 && !CPU_XLP 19555e83d430SRalf Baechle 19568192c9eaSDavid Daney# 19578192c9eaSDavid Daney# Set to y for ptrace access to watch registers. 19588192c9eaSDavid Daney# 19598192c9eaSDavid Daneyconfig HARDWARE_WATCHPOINTS 19608192c9eaSDavid Daney bool 1961f839490aSDavid Daney default y if CPU_MIPSR1 || CPU_MIPSR2 19628192c9eaSDavid Daney 19635e83d430SRalf Baechlemenu "Kernel type" 19645e83d430SRalf Baechle 19655e83d430SRalf Baechlechoice 19665e83d430SRalf Baechle prompt "Kernel code model" 19675e83d430SRalf Baechle help 19685e83d430SRalf Baechle You should only select this option if you have a workload that 19695e83d430SRalf Baechle actually benefits from 64-bit processing or if your machine has 19705e83d430SRalf Baechle large memory. You will only be presented a single option in this 19715e83d430SRalf Baechle menu if your system does not support both 32-bit and 64-bit kernels. 19725e83d430SRalf Baechle 19735e83d430SRalf Baechleconfig 32BIT 19745e83d430SRalf Baechle bool "32-bit kernel" 19755e83d430SRalf Baechle depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL 19765e83d430SRalf Baechle select TRAD_SIGNALS 19775e83d430SRalf Baechle help 19785e83d430SRalf Baechle Select this option if you want to build a 32-bit kernel. 1979f17c4ca3SRalf Baechle 19805e83d430SRalf Baechleconfig 64BIT 19815e83d430SRalf Baechle bool "64-bit kernel" 19825e83d430SRalf Baechle depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL 19835e83d430SRalf Baechle help 19845e83d430SRalf Baechle Select this option if you want to build a 64-bit kernel. 19855e83d430SRalf Baechle 19865e83d430SRalf Baechleendchoice 19875e83d430SRalf Baechle 19882235a54dSSanjay Lalconfig KVM_GUEST 19892235a54dSSanjay Lal bool "KVM Guest Kernel" 1990f2a5b1d7SJames Hogan depends on BROKEN_ON_SMP 19912235a54dSSanjay Lal help 19922235a54dSSanjay Lal Select this option if building a guest kernel for KVM (Trap & Emulate) mode 19932235a54dSSanjay Lal 1994eda3d33cSJames Hoganconfig KVM_GUEST_TIMER_FREQ 1995eda3d33cSJames Hogan int "Count/Compare Timer Frequency (MHz)" 19962235a54dSSanjay Lal depends on KVM_GUEST 1997eda3d33cSJames Hogan default 100 19982235a54dSSanjay Lal help 1999eda3d33cSJames Hogan Set this to non-zero if building a guest kernel for KVM to skip RTC 2000eda3d33cSJames Hogan emulation when determining guest CPU Frequency. Instead, the guest's 2001eda3d33cSJames Hogan timer frequency is specified directly. 20022235a54dSSanjay Lal 20031da177e4SLinus Torvaldschoice 20041da177e4SLinus Torvalds prompt "Kernel page size" 20051da177e4SLinus Torvalds default PAGE_SIZE_4KB 20061da177e4SLinus Torvalds 20071da177e4SLinus Torvaldsconfig PAGE_SIZE_4KB 20081da177e4SLinus Torvalds bool "4kB" 20090e476d91SHuacai Chen depends on !CPU_LOONGSON2 && !CPU_LOONGSON3 20101da177e4SLinus Torvalds help 20111da177e4SLinus Torvalds This option select the standard 4kB Linux page size. On some 20121da177e4SLinus Torvalds R3000-family processors this is the only available page size. Using 20131da177e4SLinus Torvalds 4kB page size will minimize memory consumption and is therefore 20141da177e4SLinus Torvalds recommended for low memory systems. 20151da177e4SLinus Torvalds 20161da177e4SLinus Torvaldsconfig PAGE_SIZE_8KB 20171da177e4SLinus Torvalds bool "8kB" 20187d60717eSKees Cook depends on CPU_R8000 || CPU_CAVIUM_OCTEON 20191da177e4SLinus Torvalds help 20201da177e4SLinus Torvalds Using 8kB page size will result in higher performance kernel at 20211da177e4SLinus Torvalds the price of higher memory consumption. This option is available 2022c52399beSRalf Baechle only on R8000 and cnMIPS processors. Note that you will need a 2023c52399beSRalf Baechle suitable Linux distribution to support this. 20241da177e4SLinus Torvalds 20251da177e4SLinus Torvaldsconfig PAGE_SIZE_16KB 20261da177e4SLinus Torvalds bool "16kB" 2027714bfad6SRalf Baechle depends on !CPU_R3000 && !CPU_TX39XX 20281da177e4SLinus Torvalds help 20291da177e4SLinus Torvalds Using 16kB page size will result in higher performance kernel at 20301da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 2031714bfad6SRalf Baechle all non-R3000 family processors. Note that you will need a suitable 2032714bfad6SRalf Baechle Linux distribution to support this. 20331da177e4SLinus Torvalds 2034c52399beSRalf Baechleconfig PAGE_SIZE_32KB 2035c52399beSRalf Baechle bool "32kB" 2036c52399beSRalf Baechle depends on CPU_CAVIUM_OCTEON 2037c52399beSRalf Baechle help 2038c52399beSRalf Baechle Using 32kB page size will result in higher performance kernel at 2039c52399beSRalf Baechle the price of higher memory consumption. This option is available 2040c52399beSRalf Baechle only on cnMIPS cores. Note that you will need a suitable Linux 2041c52399beSRalf Baechle distribution to support this. 2042c52399beSRalf Baechle 20431da177e4SLinus Torvaldsconfig PAGE_SIZE_64KB 20441da177e4SLinus Torvalds bool "64kB" 20457d60717eSKees Cook depends on !CPU_R3000 && !CPU_TX39XX 20461da177e4SLinus Torvalds help 20471da177e4SLinus Torvalds Using 64kB page size will result in higher performance kernel at 20481da177e4SLinus Torvalds the price of higher memory consumption. This option is available on 20491da177e4SLinus Torvalds all non-R3000 family processor. Not that at the time of this 2050714bfad6SRalf Baechle writing this option is still high experimental. 20511da177e4SLinus Torvalds 20521da177e4SLinus Torvaldsendchoice 20531da177e4SLinus Torvalds 2054c9bace7cSDavid Daneyconfig FORCE_MAX_ZONEORDER 2055c9bace7cSDavid Daney int "Maximum zone order" 2056e4362d1eSAlex Smith range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2057e4362d1eSAlex Smith default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB 2058e4362d1eSAlex Smith range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2059e4362d1eSAlex Smith default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB 2060e4362d1eSAlex Smith range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2061e4362d1eSAlex Smith default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB 2062c9bace7cSDavid Daney range 11 64 2063c9bace7cSDavid Daney default "11" 2064c9bace7cSDavid Daney help 2065c9bace7cSDavid Daney The kernel memory allocator divides physically contiguous memory 2066c9bace7cSDavid Daney blocks into "zones", where each zone is a power of two number of 2067c9bace7cSDavid Daney pages. This option selects the largest power of two that the kernel 2068c9bace7cSDavid Daney keeps in the memory allocator. If you need to allocate very large 2069c9bace7cSDavid Daney blocks of physically contiguous memory, then you may need to 2070c9bace7cSDavid Daney increase this value. 2071c9bace7cSDavid Daney 2072c9bace7cSDavid Daney This config option is actually maximum order plus one. For example, 2073c9bace7cSDavid Daney a value of 11 means that the largest free memory block is 2^10 pages. 2074c9bace7cSDavid Daney 2075c9bace7cSDavid Daney The page size is not necessarily 4KB. Keep this in mind 2076c9bace7cSDavid Daney when choosing a value for this option. 2077c9bace7cSDavid Daney 20781da177e4SLinus Torvaldsconfig BOARD_SCACHE 20791da177e4SLinus Torvalds bool 20801da177e4SLinus Torvalds 20811da177e4SLinus Torvaldsconfig IP22_CPU_SCACHE 20821da177e4SLinus Torvalds bool 20831da177e4SLinus Torvalds select BOARD_SCACHE 20841da177e4SLinus Torvalds 20859318c51aSChris Dearman# 20869318c51aSChris Dearman# Support for a MIPS32 / MIPS64 style S-caches 20879318c51aSChris Dearman# 20889318c51aSChris Dearmanconfig MIPS_CPU_SCACHE 20899318c51aSChris Dearman bool 20909318c51aSChris Dearman select BOARD_SCACHE 20919318c51aSChris Dearman 20921da177e4SLinus Torvaldsconfig R5000_CPU_SCACHE 20931da177e4SLinus Torvalds bool 20941da177e4SLinus Torvalds select BOARD_SCACHE 20951da177e4SLinus Torvalds 20961da177e4SLinus Torvaldsconfig RM7000_CPU_SCACHE 20971da177e4SLinus Torvalds bool 20981da177e4SLinus Torvalds select BOARD_SCACHE 20991da177e4SLinus Torvalds 21001da177e4SLinus Torvaldsconfig SIBYTE_DMA_PAGEOPS 21011da177e4SLinus Torvalds bool "Use DMA to clear/copy pages" 21021da177e4SLinus Torvalds depends on CPU_SB1 21031da177e4SLinus Torvalds help 21041da177e4SLinus Torvalds Instead of using the CPU to zero and copy pages, use a Data Mover 21051da177e4SLinus Torvalds channel. These DMA channels are otherwise unused by the standard 21061da177e4SLinus Torvalds SiByte Linux port. Seems to give a small performance benefit. 21071da177e4SLinus Torvalds 21081da177e4SLinus Torvaldsconfig CPU_HAS_PREFETCH 2109c8094b53SRalf Baechle bool 21101da177e4SLinus Torvalds 21113165c846SFlorian Fainelliconfig CPU_GENERIC_DUMP_TLB 21123165c846SFlorian Fainelli bool 21133165c846SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX) 21143165c846SFlorian Fainelli 211591405eb6SFlorian Fainelliconfig CPU_R4K_FPU 211691405eb6SFlorian Fainelli bool 211791405eb6SFlorian Fainelli default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 211891405eb6SFlorian Fainelli 211962cedc4fSFlorian Fainelliconfig CPU_R4K_CACHE_TLB 212062cedc4fSFlorian Fainelli bool 212162cedc4fSFlorian Fainelli default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON) 212262cedc4fSFlorian Fainelli 212359d6ab86SRalf Baechleconfig MIPS_MT_SMP 2124a92b7f87SMarkos Chandras bool "MIPS MT SMP support (1 TC on each available VPE)" 21255676319cSMarkos Chandras depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 212659d6ab86SRalf Baechle select CPU_MIPSR2_IRQ_VI 2127d725cf38SChris Dearman select CPU_MIPSR2_IRQ_EI 2128c080faa5SSteven J. Hill select SYNC_R4K 21290c2cb004SPaul Burton select MIPS_GIC_IPI 213059d6ab86SRalf Baechle select MIPS_MT 213159d6ab86SRalf Baechle select SMP 213287353d8aSRalf Baechle select SMP_UP 2133c080faa5SSteven J. Hill select SYS_SUPPORTS_SMP 2134c080faa5SSteven J. Hill select SYS_SUPPORTS_SCHED_SMT 2135399aaa25SAl Cooper select MIPS_PERF_SHARED_TC_COUNTERS 213659d6ab86SRalf Baechle help 2137c080faa5SSteven J. Hill This is a kernel model which is known as SMVP. This is supported 2138c080faa5SSteven J. Hill on cores with the MT ASE and uses the available VPEs to implement 2139c080faa5SSteven J. Hill virtual processors which supports SMP. This is equivalent to the 2140c080faa5SSteven J. Hill Intel Hyperthreading feature. For further information go to 2141c080faa5SSteven J. Hill <http://www.imgtec.com/mips/mips-multithreading.asp>. 214259d6ab86SRalf Baechle 2143f41ae0b2SRalf Baechleconfig MIPS_MT 2144f41ae0b2SRalf Baechle bool 2145f41ae0b2SRalf Baechle 21460ab7aefcSRalf Baechleconfig SCHED_SMT 21470ab7aefcSRalf Baechle bool "SMT (multithreading) scheduler support" 21480ab7aefcSRalf Baechle depends on SYS_SUPPORTS_SCHED_SMT 21490ab7aefcSRalf Baechle default n 21500ab7aefcSRalf Baechle help 21510ab7aefcSRalf Baechle SMT scheduler support improves the CPU scheduler's decision making 21520ab7aefcSRalf Baechle when dealing with MIPS MT enabled cores at a cost of slightly 21530ab7aefcSRalf Baechle increased overhead in some places. If unsure say N here. 21540ab7aefcSRalf Baechle 21550ab7aefcSRalf Baechleconfig SYS_SUPPORTS_SCHED_SMT 21560ab7aefcSRalf Baechle bool 21570ab7aefcSRalf Baechle 2158f41ae0b2SRalf Baechleconfig SYS_SUPPORTS_MULTITHREADING 2159f41ae0b2SRalf Baechle bool 2160f41ae0b2SRalf Baechle 2161f088fc84SRalf Baechleconfig MIPS_MT_FPAFF 2162f088fc84SRalf Baechle bool "Dynamic FPU affinity for FP-intensive threads" 2163f088fc84SRalf Baechle default y 2164b633648cSRalf Baechle depends on MIPS_MT_SMP 216507cc0c9eSRalf Baechle 2166b0a668fbSLeonid Yegoshinconfig MIPSR2_TO_R6_EMULATOR 2167b0a668fbSLeonid Yegoshin bool "MIPS R2-to-R6 emulator" 2168b0a668fbSLeonid Yegoshin depends on CPU_MIPSR6 && !SMP 2169b0a668fbSLeonid Yegoshin default y 2170b0a668fbSLeonid Yegoshin help 2171b0a668fbSLeonid Yegoshin Choose this option if you want to run non-R6 MIPS userland code. 2172b0a668fbSLeonid Yegoshin Even if you say 'Y' here, the emulator will still be disabled by 217307edf0d4SMarkos Chandras default. You can enable it using the 'mipsr2emu' kernel option. 2174b0a668fbSLeonid Yegoshin The only reason this is a build-time option is to save ~14K from the 2175b0a668fbSLeonid Yegoshin final kernel image. 2176b0a668fbSLeonid Yegoshincomment "MIPS R2-to-R6 emulator is only available for UP kernels" 2177b0a668fbSLeonid Yegoshin depends on SMP && CPU_MIPSR6 2178b0a668fbSLeonid Yegoshin 217907cc0c9eSRalf Baechleconfig MIPS_VPE_LOADER 218007cc0c9eSRalf Baechle bool "VPE loader support." 2181704e6460SMarkos Chandras depends on SYS_SUPPORTS_MULTITHREADING && MODULES 218207cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_VI 218307cc0c9eSRalf Baechle select CPU_MIPSR2_IRQ_EI 218407cc0c9eSRalf Baechle select MIPS_MT 218507cc0c9eSRalf Baechle help 218607cc0c9eSRalf Baechle Includes a loader for loading an elf relocatable object 218707cc0c9eSRalf Baechle onto another VPE and running it. 2188f088fc84SRalf Baechle 218917a1d523SDeng-Cheng Zhuconfig MIPS_VPE_LOADER_CMP 219017a1d523SDeng-Cheng Zhu bool 219117a1d523SDeng-Cheng Zhu default "y" 219217a1d523SDeng-Cheng Zhu depends on MIPS_VPE_LOADER && MIPS_CMP 219317a1d523SDeng-Cheng Zhu 21941a2a6d7eSDeng-Cheng Zhuconfig MIPS_VPE_LOADER_MT 21951a2a6d7eSDeng-Cheng Zhu bool 21961a2a6d7eSDeng-Cheng Zhu default "y" 21971a2a6d7eSDeng-Cheng Zhu depends on MIPS_VPE_LOADER && !MIPS_CMP 21981a2a6d7eSDeng-Cheng Zhu 2199e01402b1SRalf Baechleconfig MIPS_VPE_LOADER_TOM 2200e01402b1SRalf Baechle bool "Load VPE program into memory hidden from linux" 2201e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 2202e01402b1SRalf Baechle default y 2203e01402b1SRalf Baechle help 2204e01402b1SRalf Baechle The loader can use memory that is present but has been hidden from 2205e01402b1SRalf Baechle Linux using the kernel command line option "mem=xxMB". It's up to 2206e01402b1SRalf Baechle you to ensure the amount you put in the option and the space your 2207e01402b1SRalf Baechle program requires is less or equal to the amount physically present. 2208e01402b1SRalf Baechle 2209e01402b1SRalf Baechleconfig MIPS_VPE_APSP_API 2210e01402b1SRalf Baechle bool "Enable support for AP/SP API (RTLX)" 2211e01402b1SRalf Baechle depends on MIPS_VPE_LOADER 22125e83d430SRalf Baechle help 2213e01402b1SRalf Baechle 2214da615cf6SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_CMP 2215da615cf6SDeng-Cheng Zhu bool 2216da615cf6SDeng-Cheng Zhu default "y" 2217da615cf6SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && MIPS_CMP 2218da615cf6SDeng-Cheng Zhu 22192c973ef0SDeng-Cheng Zhuconfig MIPS_VPE_APSP_API_MT 22202c973ef0SDeng-Cheng Zhu bool 22212c973ef0SDeng-Cheng Zhu default "y" 22222c973ef0SDeng-Cheng Zhu depends on MIPS_VPE_APSP_API && !MIPS_CMP 22232c973ef0SDeng-Cheng Zhu 22244a16ff4cSRalf Baechleconfig MIPS_CMP 22255cac93b3SPaul Burton bool "MIPS CMP framework support (DEPRECATED)" 22265676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6 222772e20142SPaul Burton select MIPS_GIC_IPI 2228b10b43baSMarkos Chandras select SMP 2229eb9b5141STim Anderson select SYNC_R4K 2230b10b43baSMarkos Chandras select SYS_SUPPORTS_SMP 22314a16ff4cSRalf Baechle select WEAK_ORDERING 22324a16ff4cSRalf Baechle default n 22334a16ff4cSRalf Baechle help 2234044505c7SPaul Burton Select this if you are using a bootloader which implements the "CMP 2235044505c7SPaul Burton framework" protocol (ie. YAMON) and want your kernel to make use of 2236044505c7SPaul Burton its ability to start secondary CPUs. 22374a16ff4cSRalf Baechle 22385cac93b3SPaul Burton Unless you have a specific need, you should use CONFIG_MIPS_CPS 22395cac93b3SPaul Burton instead of this. 22405cac93b3SPaul Burton 22410ee958e1SPaul Burtonconfig MIPS_CPS 22420ee958e1SPaul Burton bool "MIPS Coherent Processing System support" 22435676319cSMarkos Chandras depends on SYS_SUPPORTS_MIPS_CPS && !CPU_MIPSR6 22440ee958e1SPaul Burton select MIPS_CM 22450ee958e1SPaul Burton select MIPS_CPC 22461d8f1f5aSPaul Burton select MIPS_CPS_PM if HOTPLUG_CPU 22470ee958e1SPaul Burton select MIPS_GIC_IPI 22480ee958e1SPaul Burton select SMP 22490ee958e1SPaul Burton select SYNC_R4K if (CEVT_R4K || CSRC_R4K) 22501d8f1f5aSPaul Burton select SYS_SUPPORTS_HOTPLUG_CPU 22510ee958e1SPaul Burton select SYS_SUPPORTS_SMP 22520ee958e1SPaul Burton select WEAK_ORDERING 22530ee958e1SPaul Burton help 22540ee958e1SPaul Burton Select this if you wish to run an SMP kernel across multiple cores 22550ee958e1SPaul Burton within a MIPS Coherent Processing System. When this option is 22560ee958e1SPaul Burton enabled the kernel will probe for other cores and boot them with 22570ee958e1SPaul Burton no external assistance. It is safe to enable this when hardware 22580ee958e1SPaul Burton support is unavailable. 22590ee958e1SPaul Burton 22603179d37eSPaul Burtonconfig MIPS_CPS_PM 226139a59593SMarkos Chandras depends on MIPS_CPS 2262a8b84677SPaul Burton select MIPS_CPC 22633179d37eSPaul Burton bool 22643179d37eSPaul Burton 226572e20142SPaul Burtonconfig MIPS_GIC_IPI 226672e20142SPaul Burton bool 226772e20142SPaul Burton 22689f98f3ddSPaul Burtonconfig MIPS_CM 22699f98f3ddSPaul Burton bool 22709f98f3ddSPaul Burton 22719c38cf44SPaul Burtonconfig MIPS_CPC 22729c38cf44SPaul Burton bool 22732600990eSRalf Baechle 22741da177e4SLinus Torvaldsconfig SB1_PASS_2_WORKAROUNDS 22751da177e4SLinus Torvalds bool 22761da177e4SLinus Torvalds depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2) 22771da177e4SLinus Torvalds default y 22781da177e4SLinus Torvalds 22791da177e4SLinus Torvaldsconfig SB1_PASS_2_1_WORKAROUNDS 22801da177e4SLinus Torvalds bool 22811da177e4SLinus Torvalds depends on CPU_SB1 && CPU_SB1_PASS_2 22821da177e4SLinus Torvalds default y 22831da177e4SLinus Torvalds 22842235a54dSSanjay Lal 228560ec6571Spascal@pabr.orgconfig ARCH_PHYS_ADDR_T_64BIT 228634adb28dSRalf Baechle bool 228760ec6571Spascal@pabr.org 22889e2b5372SMarkos Chandraschoice 22899e2b5372SMarkos Chandras prompt "SmartMIPS or microMIPS ASE support" 22909e2b5372SMarkos Chandras 22919e2b5372SMarkos Chandrasconfig CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS 22929e2b5372SMarkos Chandras bool "None" 22939e2b5372SMarkos Chandras help 22949e2b5372SMarkos Chandras Select this if you want neither microMIPS nor SmartMIPS support 22959e2b5372SMarkos Chandras 22969693a853SFranck Bui-Huuconfig CPU_HAS_SMARTMIPS 22979693a853SFranck Bui-Huu depends on SYS_SUPPORTS_SMARTMIPS 22989e2b5372SMarkos Chandras bool "SmartMIPS" 22999693a853SFranck Bui-Huu help 23009693a853SFranck Bui-Huu SmartMIPS is a extension of the MIPS32 architecture aimed at 23019693a853SFranck Bui-Huu increased security at both hardware and software level for 23029693a853SFranck Bui-Huu smartcards. Enabling this option will allow proper use of the 23039693a853SFranck Bui-Huu SmartMIPS instructions by Linux applications. However a kernel with 23049693a853SFranck Bui-Huu this option will not work on a MIPS core without SmartMIPS core. If 23059693a853SFranck Bui-Huu you don't know you probably don't have SmartMIPS and should say N 23069693a853SFranck Bui-Huu here. 23079693a853SFranck Bui-Huu 2308bce86083SSteven J. Hillconfig CPU_MICROMIPS 23097fd08ca5SLeonid Yegoshin depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6 23109e2b5372SMarkos Chandras bool "microMIPS" 2311bce86083SSteven J. Hill help 2312bce86083SSteven J. Hill When this option is enabled the kernel will be built using the 2313bce86083SSteven J. Hill microMIPS ISA 2314bce86083SSteven J. Hill 23159e2b5372SMarkos Chandrasendchoice 23169e2b5372SMarkos Chandras 2317a5e9a69eSPaul Burtonconfig CPU_HAS_MSA 23180ce3417eSPaul Burton bool "Support for the MIPS SIMD Architecture" 2319a5e9a69eSPaul Burton depends on CPU_SUPPORTS_MSA 23202a6cb669SPaul Burton depends on 64BIT || MIPS_O32_FP64_SUPPORT 2321a5e9a69eSPaul Burton help 2322a5e9a69eSPaul Burton MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers 2323a5e9a69eSPaul Burton and a set of SIMD instructions to operate on them. When this option 23241db1af84SPaul Burton is enabled the kernel will support allocating & switching MSA 23251db1af84SPaul Burton vector register contexts. If you know that your kernel will only be 23261db1af84SPaul Burton running on CPUs which do not support MSA or that your userland will 23271db1af84SPaul Burton not be making use of it then you may wish to say N here to reduce 23281db1af84SPaul Burton the size & complexity of your kernel. 2329a5e9a69eSPaul Burton 2330a5e9a69eSPaul Burton If unsure, say Y. 2331a5e9a69eSPaul Burton 23321da177e4SLinus Torvaldsconfig CPU_HAS_WB 2333f7062ddbSRalf Baechle bool 2334e01402b1SRalf Baechle 2335df0ac8a4SKevin Cernekeeconfig XKS01 2336df0ac8a4SKevin Cernekee bool 2337df0ac8a4SKevin Cernekee 2338f41ae0b2SRalf Baechle# 2339f41ae0b2SRalf Baechle# Vectored interrupt mode is an R2 feature 2340f41ae0b2SRalf Baechle# 2341e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_VI 2342f41ae0b2SRalf Baechle bool 2343e01402b1SRalf Baechle 2344f41ae0b2SRalf Baechle# 2345f41ae0b2SRalf Baechle# Extended interrupt mode is an R2 feature 2346f41ae0b2SRalf Baechle# 2347e01402b1SRalf Baechleconfig CPU_MIPSR2_IRQ_EI 2348f41ae0b2SRalf Baechle bool 2349e01402b1SRalf Baechle 23501da177e4SLinus Torvaldsconfig CPU_HAS_SYNC 23511da177e4SLinus Torvalds bool 23521da177e4SLinus Torvalds depends on !CPU_R3000 23531da177e4SLinus Torvalds default y 23541da177e4SLinus Torvalds 23551da177e4SLinus Torvalds# 235620d60d99SMaciej W. Rozycki# CPU non-features 235720d60d99SMaciej W. Rozycki# 235820d60d99SMaciej W. Rozyckiconfig CPU_DADDI_WORKAROUNDS 235920d60d99SMaciej W. Rozycki bool 236020d60d99SMaciej W. Rozycki 236120d60d99SMaciej W. Rozyckiconfig CPU_R4000_WORKAROUNDS 236220d60d99SMaciej W. Rozycki bool 236320d60d99SMaciej W. Rozycki select CPU_R4400_WORKAROUNDS 236420d60d99SMaciej W. Rozycki 236520d60d99SMaciej W. Rozyckiconfig CPU_R4400_WORKAROUNDS 236620d60d99SMaciej W. Rozycki bool 236720d60d99SMaciej W. Rozycki 236820d60d99SMaciej W. Rozycki# 23691da177e4SLinus Torvalds# - Highmem only makes sense for the 32-bit kernel. 23701da177e4SLinus Torvalds# - The current highmem code will only work properly on physically indexed 23711da177e4SLinus Torvalds# caches such as R3000, SB1, R7000 or those that look like they're virtually 23721da177e4SLinus Torvalds# indexed such as R4000/R4400 SC and MC versions or R10000. So for the 23731da177e4SLinus Torvalds# moment we protect the user and offer the highmem option only on machines 23741da177e4SLinus Torvalds# where it's known to be safe. This will not offer highmem on a few systems 23751da177e4SLinus Torvalds# such as MIPS32 and MIPS64 CPUs which may have virtual and physically 23761da177e4SLinus Torvalds# indexed CPUs but we're playing safe. 2377797798c1SRalf Baechle# - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we 2378797798c1SRalf Baechle# know they might have memory configurations that could make use of highmem 2379797798c1SRalf Baechle# support. 23801da177e4SLinus Torvalds# 23811da177e4SLinus Torvaldsconfig HIGHMEM 23821da177e4SLinus Torvalds bool "High Memory Support" 2383a6e18781SLeonid Yegoshin depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA 2384797798c1SRalf Baechle 2385797798c1SRalf Baechleconfig CPU_SUPPORTS_HIGHMEM 2386797798c1SRalf Baechle bool 2387797798c1SRalf Baechle 2388797798c1SRalf Baechleconfig SYS_SUPPORTS_HIGHMEM 2389797798c1SRalf Baechle bool 23901da177e4SLinus Torvalds 23919693a853SFranck Bui-Huuconfig SYS_SUPPORTS_SMARTMIPS 23929693a853SFranck Bui-Huu bool 23939693a853SFranck Bui-Huu 2394a6a4834cSSteven J. Hillconfig SYS_SUPPORTS_MICROMIPS 2395a6a4834cSSteven J. Hill bool 2396a6a4834cSSteven J. Hill 2397377cb1b6SRalf Baechleconfig SYS_SUPPORTS_MIPS16 2398377cb1b6SRalf Baechle bool 2399377cb1b6SRalf Baechle help 2400377cb1b6SRalf Baechle This option must be set if a kernel might be executed on a MIPS16- 2401377cb1b6SRalf Baechle enabled CPU even if MIPS16 is not actually being used. In other 2402377cb1b6SRalf Baechle words, it makes the kernel MIPS16-tolerant. 2403377cb1b6SRalf Baechle 2404a5e9a69eSPaul Burtonconfig CPU_SUPPORTS_MSA 2405a5e9a69eSPaul Burton bool 2406a5e9a69eSPaul Burton 2407b4819b59SYoichi Yuasaconfig ARCH_FLATMEM_ENABLE 2408b4819b59SYoichi Yuasa def_bool y 2409f133f22dSWu Zhangjin depends on !NUMA && !CPU_LOONGSON2 2410b4819b59SYoichi Yuasa 2411d8cb4e11SRalf Baechleconfig ARCH_DISCONTIGMEM_ENABLE 2412d8cb4e11SRalf Baechle bool 2413d8cb4e11SRalf Baechle default y if SGI_IP27 2414d8cb4e11SRalf Baechle help 24153dde6ad8SDavid Sterba Say Y to support efficient handling of discontiguous physical memory, 2416d8cb4e11SRalf Baechle for architectures which are either NUMA (Non-Uniform Memory Access) 2417d8cb4e11SRalf Baechle or have huge holes in the physical address space for other reasons. 2418d8cb4e11SRalf Baechle See <file:Documentation/vm/numa> for more. 2419d8cb4e11SRalf Baechle 2420b1c6cd42SAtsushi Nemotoconfig ARCH_SPARSEMEM_ENABLE 2421b1c6cd42SAtsushi Nemoto bool 24227de58fabSAtsushi Nemoto select SPARSEMEM_STATIC 242331473747SAtsushi Nemoto 2424d8cb4e11SRalf Baechleconfig NUMA 2425d8cb4e11SRalf Baechle bool "NUMA Support" 2426d8cb4e11SRalf Baechle depends on SYS_SUPPORTS_NUMA 2427d8cb4e11SRalf Baechle help 2428d8cb4e11SRalf Baechle Say Y to compile the kernel to support NUMA (Non-Uniform Memory 2429d8cb4e11SRalf Baechle Access). This option improves performance on systems with more 2430d8cb4e11SRalf Baechle than two nodes; on two node systems it is generally better to 2431d8cb4e11SRalf Baechle leave it disabled; on single node systems disable this option 2432d8cb4e11SRalf Baechle disabled. 2433d8cb4e11SRalf Baechle 2434d8cb4e11SRalf Baechleconfig SYS_SUPPORTS_NUMA 2435d8cb4e11SRalf Baechle bool 2436d8cb4e11SRalf Baechle 2437c80d79d7SYasunori Gotoconfig NODES_SHIFT 2438c80d79d7SYasunori Goto int 2439c80d79d7SYasunori Goto default "6" 2440c80d79d7SYasunori Goto depends on NEED_MULTIPLE_NODES 2441c80d79d7SYasunori Goto 244214f70012SDeng-Cheng Zhuconfig HW_PERF_EVENTS 244314f70012SDeng-Cheng Zhu bool "Enable hardware performance counter support for perf events" 2444f14ceff7SHuacai Chen depends on PERF_EVENTS && OPROFILE=n && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3) 244514f70012SDeng-Cheng Zhu default y 244614f70012SDeng-Cheng Zhu help 244714f70012SDeng-Cheng Zhu Enable hardware performance counter support for perf events. If 244814f70012SDeng-Cheng Zhu disabled, perf events will use software events only. 244914f70012SDeng-Cheng Zhu 2450b4819b59SYoichi Yuasasource "mm/Kconfig" 2451b4819b59SYoichi Yuasa 24521da177e4SLinus Torvaldsconfig SMP 24531da177e4SLinus Torvalds bool "Multi-Processing support" 2454e73ea273SRalf Baechle depends on SYS_SUPPORTS_SMP 2455e73ea273SRalf Baechle help 24561da177e4SLinus Torvalds This enables support for systems with more than one CPU. If you have 24574a474157SRobert Graffham a system with only one CPU, say N. If you have a system with more 24584a474157SRobert Graffham than one CPU, say Y. 24591da177e4SLinus Torvalds 24604a474157SRobert Graffham If you say N here, the kernel will run on uni- and multiprocessor 24611da177e4SLinus Torvalds machines, but will use only one CPU of a multiprocessor machine. If 24621da177e4SLinus Torvalds you say Y here, the kernel will run on many, but not all, 24634a474157SRobert Graffham uniprocessor machines. On a uniprocessor machine, the kernel 24641da177e4SLinus Torvalds will run faster if you say N here. 24651da177e4SLinus Torvalds 24661da177e4SLinus Torvalds People using multiprocessor machines who say Y here should also say 24671da177e4SLinus Torvalds Y to "Enhanced Real Time Clock Support", below. 24681da177e4SLinus Torvalds 246903502faaSAdrian Bunk See also the SMP-HOWTO available at 247003502faaSAdrian Bunk <http://www.tldp.org/docs.html#howto>. 24711da177e4SLinus Torvalds 24721da177e4SLinus Torvalds If you don't know what to do here, say N. 24731da177e4SLinus Torvalds 247487353d8aSRalf Baechleconfig SMP_UP 247587353d8aSRalf Baechle bool 247687353d8aSRalf Baechle 24774a16ff4cSRalf Baechleconfig SYS_SUPPORTS_MIPS_CMP 24784a16ff4cSRalf Baechle bool 24794a16ff4cSRalf Baechle 24800ee958e1SPaul Burtonconfig SYS_SUPPORTS_MIPS_CPS 24810ee958e1SPaul Burton bool 24820ee958e1SPaul Burton 2483e73ea273SRalf Baechleconfig SYS_SUPPORTS_SMP 2484e73ea273SRalf Baechle bool 2485e73ea273SRalf Baechle 2486130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_4 2487130e2fb7SRalf Baechle bool 2488130e2fb7SRalf Baechle 2489130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_8 2490130e2fb7SRalf Baechle bool 2491130e2fb7SRalf Baechle 2492130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_16 2493130e2fb7SRalf Baechle bool 2494130e2fb7SRalf Baechle 2495130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_32 2496130e2fb7SRalf Baechle bool 2497130e2fb7SRalf Baechle 2498130e2fb7SRalf Baechleconfig NR_CPUS_DEFAULT_64 2499130e2fb7SRalf Baechle bool 2500130e2fb7SRalf Baechle 25011da177e4SLinus Torvaldsconfig NR_CPUS 2502a91796a9SJayachandran C int "Maximum number of CPUs (2-256)" 2503a91796a9SJayachandran C range 2 256 25041da177e4SLinus Torvalds depends on SMP 2505130e2fb7SRalf Baechle default "4" if NR_CPUS_DEFAULT_4 2506130e2fb7SRalf Baechle default "8" if NR_CPUS_DEFAULT_8 2507130e2fb7SRalf Baechle default "16" if NR_CPUS_DEFAULT_16 2508130e2fb7SRalf Baechle default "32" if NR_CPUS_DEFAULT_32 2509130e2fb7SRalf Baechle default "64" if NR_CPUS_DEFAULT_64 25101da177e4SLinus Torvalds help 25111da177e4SLinus Torvalds This allows you to specify the maximum number of CPUs which this 25121da177e4SLinus Torvalds kernel will support. The maximum supported value is 32 for 32-bit 25131da177e4SLinus Torvalds kernel and 64 for 64-bit kernels; the minimum value which makes 251472ede9b1SAtsushi Nemoto sense is 1 for Qemu (useful only for kernel debugging purposes) 251572ede9b1SAtsushi Nemoto and 2 for all others. 25161da177e4SLinus Torvalds 25171da177e4SLinus Torvalds This is purely to save memory - each supported CPU adds 251872ede9b1SAtsushi Nemoto approximately eight kilobytes to the kernel image. For best 251972ede9b1SAtsushi Nemoto performance should round up your number of processors to the next 252072ede9b1SAtsushi Nemoto power of two. 25211da177e4SLinus Torvalds 2522399aaa25SAl Cooperconfig MIPS_PERF_SHARED_TC_COUNTERS 2523399aaa25SAl Cooper bool 2524399aaa25SAl Cooper 25251723b4a3SAtsushi Nemoto# 25261723b4a3SAtsushi Nemoto# Timer Interrupt Frequency Configuration 25271723b4a3SAtsushi Nemoto# 25281723b4a3SAtsushi Nemoto 25291723b4a3SAtsushi Nemotochoice 25301723b4a3SAtsushi Nemoto prompt "Timer frequency" 25311723b4a3SAtsushi Nemoto default HZ_250 25321723b4a3SAtsushi Nemoto help 25331723b4a3SAtsushi Nemoto Allows the configuration of the timer frequency. 25341723b4a3SAtsushi Nemoto 253567596573SPaul Burton config HZ_24 253667596573SPaul Burton bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ 253767596573SPaul Burton 25381723b4a3SAtsushi Nemoto config HZ_48 25390f873585SRalf Baechle bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ 25401723b4a3SAtsushi Nemoto 25411723b4a3SAtsushi Nemoto config HZ_100 25421723b4a3SAtsushi Nemoto bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ 25431723b4a3SAtsushi Nemoto 25441723b4a3SAtsushi Nemoto config HZ_128 25451723b4a3SAtsushi Nemoto bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ 25461723b4a3SAtsushi Nemoto 25471723b4a3SAtsushi Nemoto config HZ_250 25481723b4a3SAtsushi Nemoto bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ 25491723b4a3SAtsushi Nemoto 25501723b4a3SAtsushi Nemoto config HZ_256 25511723b4a3SAtsushi Nemoto bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ 25521723b4a3SAtsushi Nemoto 25531723b4a3SAtsushi Nemoto config HZ_1000 25541723b4a3SAtsushi Nemoto bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ 25551723b4a3SAtsushi Nemoto 25561723b4a3SAtsushi Nemoto config HZ_1024 25571723b4a3SAtsushi Nemoto bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ 25581723b4a3SAtsushi Nemoto 25591723b4a3SAtsushi Nemotoendchoice 25601723b4a3SAtsushi Nemoto 256167596573SPaul Burtonconfig SYS_SUPPORTS_24HZ 256267596573SPaul Burton bool 256367596573SPaul Burton 25641723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_48HZ 25651723b4a3SAtsushi Nemoto bool 25661723b4a3SAtsushi Nemoto 25671723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_100HZ 25681723b4a3SAtsushi Nemoto bool 25691723b4a3SAtsushi Nemoto 25701723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_128HZ 25711723b4a3SAtsushi Nemoto bool 25721723b4a3SAtsushi Nemoto 25731723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_250HZ 25741723b4a3SAtsushi Nemoto bool 25751723b4a3SAtsushi Nemoto 25761723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_256HZ 25771723b4a3SAtsushi Nemoto bool 25781723b4a3SAtsushi Nemoto 25791723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1000HZ 25801723b4a3SAtsushi Nemoto bool 25811723b4a3SAtsushi Nemoto 25821723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_1024HZ 25831723b4a3SAtsushi Nemoto bool 25841723b4a3SAtsushi Nemoto 25851723b4a3SAtsushi Nemotoconfig SYS_SUPPORTS_ARBIT_HZ 25861723b4a3SAtsushi Nemoto bool 258767596573SPaul Burton default y if !SYS_SUPPORTS_24HZ && \ 258867596573SPaul Burton !SYS_SUPPORTS_48HZ && \ 258967596573SPaul Burton !SYS_SUPPORTS_100HZ && \ 259067596573SPaul Burton !SYS_SUPPORTS_128HZ && \ 259167596573SPaul Burton !SYS_SUPPORTS_250HZ && \ 259267596573SPaul Burton !SYS_SUPPORTS_256HZ && \ 259367596573SPaul Burton !SYS_SUPPORTS_1000HZ && \ 25941723b4a3SAtsushi Nemoto !SYS_SUPPORTS_1024HZ 25951723b4a3SAtsushi Nemoto 25961723b4a3SAtsushi Nemotoconfig HZ 25971723b4a3SAtsushi Nemoto int 259867596573SPaul Burton default 24 if HZ_24 25991723b4a3SAtsushi Nemoto default 48 if HZ_48 26001723b4a3SAtsushi Nemoto default 100 if HZ_100 26011723b4a3SAtsushi Nemoto default 128 if HZ_128 26021723b4a3SAtsushi Nemoto default 250 if HZ_250 26031723b4a3SAtsushi Nemoto default 256 if HZ_256 26041723b4a3SAtsushi Nemoto default 1000 if HZ_1000 26051723b4a3SAtsushi Nemoto default 1024 if HZ_1024 26061723b4a3SAtsushi Nemoto 260796685b17SDeng-Cheng Zhuconfig SCHED_HRTICK 260896685b17SDeng-Cheng Zhu def_bool HIGH_RES_TIMERS 260996685b17SDeng-Cheng Zhu 2610e80de850SRalf Baechlesource "kernel/Kconfig.preempt" 26111da177e4SLinus Torvalds 2612ea6e942bSAtsushi Nemotoconfig KEXEC 26137d60717eSKees Cook bool "Kexec system call" 26142965faa5SDave Young select KEXEC_CORE 2615ea6e942bSAtsushi Nemoto help 2616ea6e942bSAtsushi Nemoto kexec is a system call that implements the ability to shutdown your 2617ea6e942bSAtsushi Nemoto current kernel, and to start another kernel. It is like a reboot 26183dde6ad8SDavid Sterba but it is independent of the system firmware. And like a reboot 2619ea6e942bSAtsushi Nemoto you can start any kernel with it, not just Linux. 2620ea6e942bSAtsushi Nemoto 262101dd2fbfSMatt LaPlante The name comes from the similarity to the exec system call. 2622ea6e942bSAtsushi Nemoto 2623ea6e942bSAtsushi Nemoto It is an ongoing process to be certain the hardware in a machine 2624ea6e942bSAtsushi Nemoto is properly shutdown, so do not be surprised if this code does not 2625bf220695SGeert Uytterhoeven initially work for you. As of this writing the exact hardware 2626bf220695SGeert Uytterhoeven interface is strongly in flux, so no good recommendation can be 2627bf220695SGeert Uytterhoeven made. 2628ea6e942bSAtsushi Nemoto 26297aa1c8f4SRalf Baechleconfig CRASH_DUMP 26307aa1c8f4SRalf Baechle bool "Kernel crash dumps" 26317aa1c8f4SRalf Baechle help 26327aa1c8f4SRalf Baechle Generate crash dump after being started by kexec. 26337aa1c8f4SRalf Baechle This should be normally only set in special crash dump kernels 26347aa1c8f4SRalf Baechle which are loaded in the main kernel with kexec-tools into 26357aa1c8f4SRalf Baechle a specially reserved region and then later executed after 26367aa1c8f4SRalf Baechle a crash by kdump/kexec. The crash dump kernel must be compiled 26377aa1c8f4SRalf Baechle to a memory address not used by the main kernel or firmware using 26387aa1c8f4SRalf Baechle PHYSICAL_START. 26397aa1c8f4SRalf Baechle 26407aa1c8f4SRalf Baechleconfig PHYSICAL_START 26417aa1c8f4SRalf Baechle hex "Physical address where the kernel is loaded" 26427aa1c8f4SRalf Baechle default "0xffffffff84000000" if 64BIT 26437aa1c8f4SRalf Baechle default "0x84000000" if 32BIT 26447aa1c8f4SRalf Baechle depends on CRASH_DUMP 26457aa1c8f4SRalf Baechle help 26467aa1c8f4SRalf Baechle This gives the CKSEG0 or KSEG0 address where the kernel is loaded. 26477aa1c8f4SRalf Baechle If you plan to use kernel for capturing the crash dump change 26487aa1c8f4SRalf Baechle this value to start of the reserved region (the "X" value as 26497aa1c8f4SRalf Baechle specified in the "crashkernel=YM@XM" command line boot parameter 26507aa1c8f4SRalf Baechle passed to the panic-ed kernel). 26517aa1c8f4SRalf Baechle 2652ea6e942bSAtsushi Nemotoconfig SECCOMP 2653ea6e942bSAtsushi Nemoto bool "Enable seccomp to safely compute untrusted bytecode" 2654293c5bd1SRalf Baechle depends on PROC_FS 2655ea6e942bSAtsushi Nemoto default y 2656ea6e942bSAtsushi Nemoto help 2657ea6e942bSAtsushi Nemoto This kernel feature is useful for number crunching applications 2658ea6e942bSAtsushi Nemoto that may need to compute untrusted bytecode during their 2659ea6e942bSAtsushi Nemoto execution. By using pipes or other transports made available to 2660ea6e942bSAtsushi Nemoto the process as file descriptors supporting the read/write 2661ea6e942bSAtsushi Nemoto syscalls, it's possible to isolate those applications in 2662ea6e942bSAtsushi Nemoto their own address space using seccomp. Once seccomp is 2663ea6e942bSAtsushi Nemoto enabled via /proc/<pid>/seccomp, it cannot be disabled 2664ea6e942bSAtsushi Nemoto and the task is only allowed to execute a few safe syscalls 2665ea6e942bSAtsushi Nemoto defined by each seccomp mode. 2666ea6e942bSAtsushi Nemoto 2667ea6e942bSAtsushi Nemoto If unsure, say Y. Only embedded should say N here. 2668ea6e942bSAtsushi Nemoto 2669597ce172SPaul Burtonconfig MIPS_O32_FP64_SUPPORT 26700ce3417eSPaul Burton bool "Support for O32 binaries using 64-bit FP" 2671597ce172SPaul Burton depends on 32BIT || MIPS32_O32 2672597ce172SPaul Burton help 2673597ce172SPaul Burton When this is enabled, the kernel will support use of 64-bit floating 2674597ce172SPaul Burton point registers with binaries using the O32 ABI along with the 2675597ce172SPaul Burton EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On 2676597ce172SPaul Burton 32-bit MIPS systems this support is at the cost of increasing the 2677597ce172SPaul Burton size and complexity of the compiled FPU emulator. Thus if you are 2678597ce172SPaul Burton running a MIPS32 system and know that none of your userland binaries 2679597ce172SPaul Burton will require 64-bit floating point, you may wish to reduce the size 2680597ce172SPaul Burton of your kernel & potentially improve FP emulation performance by 2681597ce172SPaul Burton saying N here. 2682597ce172SPaul Burton 268306e2e882SPaul Burton Although binutils currently supports use of this flag the details 268406e2e882SPaul Burton concerning its effect upon the O32 ABI in userland are still being 268506e2e882SPaul Burton worked on. In order to avoid userland becoming dependant upon current 268606e2e882SPaul Burton behaviour before the details have been finalised, this option should 268706e2e882SPaul Burton be considered experimental and only enabled by those working upon 268806e2e882SPaul Burton said details. 268906e2e882SPaul Burton 269006e2e882SPaul Burton If unsure, say N. 2691597ce172SPaul Burton 2692f2ffa5abSDezhong Diaoconfig USE_OF 26930b3e06fdSJonas Gorski bool 2694f2ffa5abSDezhong Diao select OF 2695e6ce1324SStephen Neuendorffer select OF_EARLY_FLATTREE 2696abd2363fSGrant Likely select IRQ_DOMAIN 2697f2ffa5abSDezhong Diao 26987fafb068SAndrew Brestickerconfig BUILTIN_DTB 26997fafb068SAndrew Bresticker bool 27007fafb068SAndrew Bresticker 27011da8f179SJonas Gorskichoice 27021da8f179SJonas Gorski prompt "Kernel appended dtb support" if OF 27031da8f179SJonas Gorski default MIPS_NO_APPENDED_DTB 27041da8f179SJonas Gorski 27051da8f179SJonas Gorski config MIPS_NO_APPENDED_DTB 27061da8f179SJonas Gorski bool "None" 27071da8f179SJonas Gorski help 27081da8f179SJonas Gorski Do not enable appended dtb support. 27091da8f179SJonas Gorski 27101da8f179SJonas Gorski config MIPS_RAW_APPENDED_DTB 27111da8f179SJonas Gorski bool "vmlinux.bin" 27121da8f179SJonas Gorski help 27131da8f179SJonas Gorski With this option, the boot code will look for a device tree binary 27141da8f179SJonas Gorski DTB) appended to raw vmlinux.bin (without decompressor). 27151da8f179SJonas Gorski (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb). 27161da8f179SJonas Gorski 27171da8f179SJonas Gorski This is meant as a backward compatibility convenience for those 27181da8f179SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 27191da8f179SJonas Gorski the documented boot protocol using a device tree. 27201da8f179SJonas Gorski 27211da8f179SJonas Gorski Beware that there is very little in terms of protection against 27221da8f179SJonas Gorski this option being confused by leftover garbage in memory that might 27231da8f179SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 27241da8f179SJonas Gorski to vmlinux.bin. Do not leave this option active in a production kernel 27251da8f179SJonas Gorski if you don't intend to always append a DTB. 2726c0b4e101SJonas Gorski 2727c0b4e101SJonas Gorski config MIPS_ZBOOT_APPENDED_DTB 2728c0b4e101SJonas Gorski bool "vmlinuz.bin" 2729c0b4e101SJonas Gorski depends on SYS_SUPPORTS_ZBOOT 2730c0b4e101SJonas Gorski help 2731c0b4e101SJonas Gorski With this option, the boot code will look for a device tree binary 2732c0b4e101SJonas Gorski DTB) appended to raw vmlinuz.bin (with decompressor). 2733c0b4e101SJonas Gorski (e.g. cat vmlinuz.bin <filename>.dtb > vmlinuz_w_dtb). 2734c0b4e101SJonas Gorski 2735c0b4e101SJonas Gorski This is meant as a backward compatibility convenience for those 2736c0b4e101SJonas Gorski systems with a bootloader that can't be upgraded to accommodate 2737c0b4e101SJonas Gorski the documented boot protocol using a device tree. 2738c0b4e101SJonas Gorski 2739c0b4e101SJonas Gorski Beware that there is very little in terms of protection against 2740c0b4e101SJonas Gorski this option being confused by leftover garbage in memory that might 2741c0b4e101SJonas Gorski look like a DTB header after a reboot if no actual DTB is appended 2742c0b4e101SJonas Gorski to vmlinuz.bin. Do not leave this option active in a production kernel 2743c0b4e101SJonas Gorski if you don't intend to always append a DTB. 27441da8f179SJonas Gorskiendchoice 27451da8f179SJonas Gorski 27465e83d430SRalf Baechleendmenu 27475e83d430SRalf Baechle 27481df0f0ffSAtsushi Nemotoconfig LOCKDEP_SUPPORT 27491df0f0ffSAtsushi Nemoto bool 27501df0f0ffSAtsushi Nemoto default y 27511df0f0ffSAtsushi Nemoto 27521df0f0ffSAtsushi Nemotoconfig STACKTRACE_SUPPORT 27531df0f0ffSAtsushi Nemoto bool 27541df0f0ffSAtsushi Nemoto default y 27551df0f0ffSAtsushi Nemoto 2756a728ab52SKirill A. Shutemovconfig PGTABLE_LEVELS 2757a728ab52SKirill A. Shutemov int 2758a728ab52SKirill A. Shutemov default 3 if 64BIT && !PAGE_SIZE_64KB 2759a728ab52SKirill A. Shutemov default 2 2760a728ab52SKirill A. Shutemov 2761b6c3539bSRalf Baechlesource "init/Kconfig" 2762b6c3539bSRalf Baechle 2763dc52ddc0SMatt Helsleysource "kernel/Kconfig.freezer" 2764dc52ddc0SMatt Helsley 27651da177e4SLinus Torvaldsmenu "Bus options (PCI, PCMCIA, EISA, ISA, TC)" 27661da177e4SLinus Torvalds 27675e83d430SRalf Baechleconfig HW_HAS_EISA 27685e83d430SRalf Baechle bool 27691da177e4SLinus Torvaldsconfig HW_HAS_PCI 27701da177e4SLinus Torvalds bool 27711da177e4SLinus Torvalds 27721da177e4SLinus Torvaldsconfig PCI 27731da177e4SLinus Torvalds bool "Support for PCI controller" 27741da177e4SLinus Torvalds depends on HW_HAS_PCI 2775abb4ae46SRalf Baechle select PCI_DOMAINS 27760f3b3956SMichael S. Tsirkin select NO_GENERIC_PCI_IOPORT_MAP 27771da177e4SLinus Torvalds help 27781da177e4SLinus Torvalds Find out whether you have a PCI motherboard. PCI is the name of a 27791da177e4SLinus Torvalds bus system, i.e. the way the CPU talks to the other stuff inside 27801da177e4SLinus Torvalds your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, 27811da177e4SLinus Torvalds say Y, otherwise N. 27821da177e4SLinus Torvalds 27830e476d91SHuacai Chenconfig HT_PCI 27840e476d91SHuacai Chen bool "Support for HT-linked PCI" 27850e476d91SHuacai Chen default y 27860e476d91SHuacai Chen depends on CPU_LOONGSON3 27870e476d91SHuacai Chen select PCI 27880e476d91SHuacai Chen select PCI_DOMAINS 27890e476d91SHuacai Chen help 27900e476d91SHuacai Chen Loongson family machines use Hyper-Transport bus for inter-core 27910e476d91SHuacai Chen connection and device connection. The PCI bus is a subordinate 27920e476d91SHuacai Chen linked at HT. Choose Y for Loongson-3 based machines. 27930e476d91SHuacai Chen 27941da177e4SLinus Torvaldsconfig PCI_DOMAINS 27951da177e4SLinus Torvalds bool 27961da177e4SLinus Torvalds 27971da177e4SLinus Torvaldssource "drivers/pci/Kconfig" 27981da177e4SLinus Torvalds 27993f787ca4SJonas Gorskisource "drivers/pci/pcie/Kconfig" 28003f787ca4SJonas Gorski 28011da177e4SLinus Torvalds# 28021da177e4SLinus Torvalds# ISA support is now enabled via select. Too many systems still have the one 28031da177e4SLinus Torvalds# or other ISA chip on the board that users don't know about so don't expect 28041da177e4SLinus Torvalds# users to choose the right thing ... 28051da177e4SLinus Torvalds# 28061da177e4SLinus Torvaldsconfig ISA 28071da177e4SLinus Torvalds bool 28081da177e4SLinus Torvalds 28091da177e4SLinus Torvaldsconfig EISA 28101da177e4SLinus Torvalds bool "EISA support" 28115e83d430SRalf Baechle depends on HW_HAS_EISA 28121da177e4SLinus Torvalds select ISA 2813aa414dffSRalf Baechle select GENERIC_ISA_DMA 28141da177e4SLinus Torvalds ---help--- 28151da177e4SLinus Torvalds The Extended Industry Standard Architecture (EISA) bus was 28161da177e4SLinus Torvalds developed as an open alternative to the IBM MicroChannel bus. 28171da177e4SLinus Torvalds 28181da177e4SLinus Torvalds The EISA bus provided some of the features of the IBM MicroChannel 28191da177e4SLinus Torvalds bus while maintaining backward compatibility with cards made for 28201da177e4SLinus Torvalds the older ISA bus. The EISA bus saw limited use between 1988 and 28211da177e4SLinus Torvalds 1995 when it was made obsolete by the PCI bus. 28221da177e4SLinus Torvalds 28231da177e4SLinus Torvalds Say Y here if you are building a kernel for an EISA-based machine. 28241da177e4SLinus Torvalds 28251da177e4SLinus Torvalds Otherwise, say N. 28261da177e4SLinus Torvalds 28271da177e4SLinus Torvaldssource "drivers/eisa/Kconfig" 28281da177e4SLinus Torvalds 28291da177e4SLinus Torvaldsconfig TC 28301da177e4SLinus Torvalds bool "TURBOchannel support" 28311da177e4SLinus Torvalds depends on MACH_DECSTATION 28321da177e4SLinus Torvalds help 283350a23e6eSJustin P. Mattock TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS 283450a23e6eSJustin P. Mattock processors. TURBOchannel programming specifications are available 283550a23e6eSJustin P. Mattock at: 283650a23e6eSJustin P. Mattock <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/> 283750a23e6eSJustin P. Mattock and: 283850a23e6eSJustin P. Mattock <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/> 283950a23e6eSJustin P. Mattock Linux driver support status is documented at: 284050a23e6eSJustin P. Mattock <http://www.linux-mips.org/wiki/DECstation> 28411da177e4SLinus Torvalds 28421da177e4SLinus Torvaldsconfig MMU 28431da177e4SLinus Torvalds bool 28441da177e4SLinus Torvalds default y 28451da177e4SLinus Torvalds 2846d865bea4SRalf Baechleconfig I8253 2847d865bea4SRalf Baechle bool 2848798778b8SRussell King select CLKSRC_I8253 28492d02612fSThomas Gleixner select CLKEVT_I8253 28509726b43aSWu Zhangjin select MIPS_EXTERNAL_TIMER 2851d865bea4SRalf Baechle 2852e05eb3f8SRalf Baechleconfig ZONE_DMA 2853e05eb3f8SRalf Baechle bool 2854e05eb3f8SRalf Baechle 2855cce335aeSRalf Baechleconfig ZONE_DMA32 2856cce335aeSRalf Baechle bool 2857cce335aeSRalf Baechle 28581da177e4SLinus Torvaldssource "drivers/pcmcia/Kconfig" 28591da177e4SLinus Torvalds 28601da177e4SLinus Torvaldssource "drivers/pci/hotplug/Kconfig" 28611da177e4SLinus Torvalds 2862388b78adSAlexandre Bounineconfig RAPIDIO 286356abde72SAlexandre Bounine tristate "RapidIO support" 2864388b78adSAlexandre Bounine depends on PCI 2865388b78adSAlexandre Bounine default n 2866388b78adSAlexandre Bounine help 2867388b78adSAlexandre Bounine If you say Y here, the kernel will include drivers and 2868388b78adSAlexandre Bounine infrastructure code to support RapidIO interconnect devices. 2869388b78adSAlexandre Bounine 2870388b78adSAlexandre Bouninesource "drivers/rapidio/Kconfig" 2871388b78adSAlexandre Bounine 28721da177e4SLinus Torvaldsendmenu 28731da177e4SLinus Torvalds 28741da177e4SLinus Torvaldsmenu "Executable file formats" 28751da177e4SLinus Torvalds 28761da177e4SLinus Torvaldssource "fs/Kconfig.binfmt" 28771da177e4SLinus Torvalds 28781da177e4SLinus Torvaldsconfig TRAD_SIGNALS 28791da177e4SLinus Torvalds bool 28801da177e4SLinus Torvalds 28811da177e4SLinus Torvaldsconfig MIPS32_COMPAT 288278aaf956SRalf Baechle bool 28831da177e4SLinus Torvalds 28841da177e4SLinus Torvaldsconfig COMPAT 28851da177e4SLinus Torvalds bool 28861da177e4SLinus Torvalds 288705e43966SAtsushi Nemotoconfig SYSVIPC_COMPAT 288805e43966SAtsushi Nemoto bool 288905e43966SAtsushi Nemoto 28901da177e4SLinus Torvaldsconfig MIPS32_O32 28911da177e4SLinus Torvalds bool "Kernel support for o32 binaries" 289278aaf956SRalf Baechle depends on 64BIT 289378aaf956SRalf Baechle select ARCH_WANT_OLD_COMPAT_IPC 289478aaf956SRalf Baechle select COMPAT 289578aaf956SRalf Baechle select MIPS32_COMPAT 289678aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 28971da177e4SLinus Torvalds help 28981da177e4SLinus Torvalds Select this option if you want to run o32 binaries. These are pure 28991da177e4SLinus Torvalds 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of 29001da177e4SLinus Torvalds existing binaries are in this format. 29011da177e4SLinus Torvalds 29021da177e4SLinus Torvalds If unsure, say Y. 29031da177e4SLinus Torvalds 29041da177e4SLinus Torvaldsconfig MIPS32_N32 29051da177e4SLinus Torvalds bool "Kernel support for n32 binaries" 2906c22eacfeSRalf Baechle depends on 64BIT 290778aaf956SRalf Baechle select COMPAT 290878aaf956SRalf Baechle select MIPS32_COMPAT 290978aaf956SRalf Baechle select SYSVIPC_COMPAT if SYSVIPC 29101da177e4SLinus Torvalds help 29111da177e4SLinus Torvalds Select this option if you want to run n32 binaries. These are 29121da177e4SLinus Torvalds 64-bit binaries using 32-bit quantities for addressing and certain 29131da177e4SLinus Torvalds data that would normally be 64-bit. They are used in special 29141da177e4SLinus Torvalds cases. 29151da177e4SLinus Torvalds 29161da177e4SLinus Torvalds If unsure, say N. 29171da177e4SLinus Torvalds 29181da177e4SLinus Torvaldsconfig BINFMT_ELF32 29191da177e4SLinus Torvalds bool 29201da177e4SLinus Torvalds default y if MIPS32_O32 || MIPS32_N32 29211da177e4SLinus Torvalds 29222116245eSRalf Baechleendmenu 29231da177e4SLinus Torvalds 29242116245eSRalf Baechlemenu "Power management options" 2925952fa954SRodolfo Giometti 2926363c55caSWu Zhangjinconfig ARCH_HIBERNATION_POSSIBLE 2927363c55caSWu Zhangjin def_bool y 29283f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2929363c55caSWu Zhangjin 2930f4cb5700SJohannes Bergconfig ARCH_SUSPEND_POSSIBLE 2931f4cb5700SJohannes Berg def_bool y 29323f5b3e17SRalf Baechle depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP 2933f4cb5700SJohannes Berg 29342116245eSRalf Baechlesource "kernel/power/Kconfig" 2935952fa954SRodolfo Giometti 29361da177e4SLinus Torvaldsendmenu 29371da177e4SLinus Torvalds 29387a998935SViresh Kumarconfig MIPS_EXTERNAL_TIMER 29397a998935SViresh Kumar bool 29407a998935SViresh Kumar 29417a998935SViresh Kumarmenu "CPU Power Management" 2942c095ebafSPaul Burton 2943c095ebafSPaul Burtonif CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER 29447a998935SViresh Kumarsource "drivers/cpufreq/Kconfig" 29457a998935SViresh Kumarendif 29469726b43aSWu Zhangjin 2947c095ebafSPaul Burtonsource "drivers/cpuidle/Kconfig" 2948c095ebafSPaul Burton 2949c095ebafSPaul Burtonendmenu 2950c095ebafSPaul Burton 2951d5950b43SSam Ravnborgsource "net/Kconfig" 2952d5950b43SSam Ravnborg 29531da177e4SLinus Torvaldssource "drivers/Kconfig" 29541da177e4SLinus Torvalds 295598cdee0eSRalf Baechlesource "drivers/firmware/Kconfig" 295698cdee0eSRalf Baechle 29571da177e4SLinus Torvaldssource "fs/Kconfig" 29581da177e4SLinus Torvalds 29591da177e4SLinus Torvaldssource "arch/mips/Kconfig.debug" 29601da177e4SLinus Torvalds 29611da177e4SLinus Torvaldssource "security/Kconfig" 29621da177e4SLinus Torvalds 29631da177e4SLinus Torvaldssource "crypto/Kconfig" 29641da177e4SLinus Torvalds 29651da177e4SLinus Torvaldssource "lib/Kconfig" 29662235a54dSSanjay Lal 29672235a54dSSanjay Lalsource "arch/mips/kvm/Kconfig" 2968